Seller Profit Guard

What makes a channel contribution comparison wrong?

Last updated: 2026-08-09

Written and reviewed by Seller Profit Guard Editorial Team.

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts.

Dates mismatched

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 1 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For dates mismatched, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

GMV called retained revenue

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 2 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For gmv called retained revenue, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Placed orders used

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 3 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For placed orders used, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Acquisition omitted

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 4 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For acquisition omitted, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Commission omitted

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 5 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For commission omitted, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Return severity omitted

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 6 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For return severity omitted, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Store software omitted

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 7 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For store software omitted, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Support labor omitted

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 8 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For support labor omitted, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Payout called contribution

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 9 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For payout called contribution, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Causality inferred

Common errors include comparing different date or maturity windows, using GMV instead of retained net revenue, dividing by placed orders, omitting acquisition or commission, ignoring return severity, calling an owned store fee-free, allocating software arbitrarily, excluding support labor, mixing payout with contribution, and inferring causality from two cohorts. Show the faulty field, distorted contribution, corrected evidence, economic effect, and prevention control. Checkpoint 10 in the channel comparison error log records channel, product scope, currency, cohort dates, settlement cutoff, return maturity, source version, owner, reviewer, and accepted formula before interpretation.

For causality inferred, keep retained net revenue, retained orders, product cost, marketplace and payment fees, acquisition and commission, fulfillment, return loss, software, support labor, other cost, target, conflict, backup, stop rule, and restoration as separate evidence fields.

Use invented or approved aggregate values only. Exclude buyer identities, emails, addresses, order rows, account IDs, payment details, bank records, credentials, private invoices, campaign identifiers, and raw exports from the public channel comparison error log.

Dates mismatched: verification test 1

Create one synthetic counterexample for dates mismatched. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

GMV called retained revenue: verification test 2

Create one synthetic counterexample for gmv called retained revenue. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Placed orders used: verification test 3

Create one synthetic counterexample for placed orders used. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Acquisition omitted: verification test 4

Create one synthetic counterexample for acquisition omitted. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Commission omitted: verification test 5

Create one synthetic counterexample for commission omitted. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Return severity omitted: verification test 6

Create one synthetic counterexample for return severity omitted. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Store software omitted: verification test 7

Create one synthetic counterexample for store software omitted. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Support labor omitted: verification test 8

Create one synthetic counterexample for support labor omitted. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Payout called contribution: verification test 9

Create one synthetic counterexample for payout called contribution. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Causality inferred: verification test 10

Create one synthetic counterexample for causality inferred. Change a single revenue, order, fee, acquisition, fulfillment, return, software, support, product-cost, allocation, or target field, retain the prior packet, and show the total-cost, contribution, margin, per-order result, difference, and Block, Review, or Ready effect.

Reconcile the counterexample against closed marketplace or store reports, settlement and payment statements, advertising and affiliate reports, fulfillment invoices, product ledgers, a mature return cohort, software bills, support time records, target approval, owner, reviewer, protected baseline, stop trigger, and restored result.

Explain why the test does not prove demand, conversion, incrementality, causality, lifetime value, payout timing, overhead coverage, accounting income, tax, or universal channel superiority.

Sales Channel Contribution Mistakes: evidence exercise 1

Reperform dates mismatched with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 2

Reperform gmv called retained revenue with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 3

Reperform placed orders used with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 4

Reperform acquisition omitted with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 5

Reperform commission omitted with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 6

Reperform return severity omitted with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 7

Reperform store software omitted with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 8

Reperform support labor omitted with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 9

Reperform payout called contribution with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Sales Channel Contribution Mistakes: evidence exercise 10

Reperform causality inferred with invented organic marketplace and paid owned-store cohorts. Hold currency, closed dates, retained-revenue definition, retained-order definition, settlement cutoff, return maturity, product scope, cost rules, and evidence controls constant where comparison requires them.

Archive the accepted packet before varying the field. Explain the resulting total channel cost, total contribution, contribution margin, revenue per retained order, cost per retained order, contribution per retained order, A-minus-B difference, decision, monitoring trigger, and restoration path.

The exercise remains educational and source-linked. It does not recommend a channel, hardcode a rate, prove attribution or causality, approve a migration, or replace market-, plan-, payment-, campaign-, contract-, tax-, accounting-, demand-, or operations-specific review.

Detect coercive inputs and misleading Block results

A value such as 250usd, 1e3, a boolean, or a partially parsed currency string must not enter contribution arithmetic. The enhanced calculator accepts plain decimals only, bounds numeric inputs, requires whole positive retained-order counts, and validates real source and policy dates.

If one confirmation, context, date, duration, label, or numeric field fails, all 32 quantitative cohort outputs become Unavailable. This prevents a favorable contribution or margin from surviving beside a failed evidence packet.

Do not fix a Block by deleting a cost or conflict. Repair the source, definition, allocation, reviewer, backup, stop rule, or restoration evidence and rerun from the preserved packet.

Find denominator and attribution drift

Revenue can be reported by order date, transaction date, payout date, or ad-attribution date. TikTok Shop Ads may attribute purchases to a click or impression date while real-time events use the conversion date. A broad campaign cost divided by a narrower real-time retained-order cohort creates a false acquisition rate.

Similarly, placed orders inflate the denominator when cancellations, refunds, or unrecovered returns mature later. Match revenue, costs, and retained orders through the same cutoff and document late adjustments.

Run a bridge from platform report to retained seller cohort: starting events, exclusions, reversals, retained orders, revenue adjustments, attribution adjustments, and final accepted count. Unexplained residuals are conflicts, not other cost.

Sources and further reading

• Etsy Help: Payment Account: Official sales, fee, tax, credit, seller-service, and shipping-label balance context.
• Etsy Help: seller fees and taxes: Official fee-category, base, payment-processing, advertising, conversion, and regulatory context.
• Shopify Help: types of charges: Official Shopify subscription, app, shipping, and transaction-charge context.
• Shopify Help: profit reports: Official cost-per-item, net-sales, discount, refund, gross-profit, and report-timing boundaries.
• Shopify Help: analytics fields: Official sales, discounts, returns, shipping, tax, and cohort-field definitions.
• TikTok Ads: Shop Ads reporting: Official Shop Ads reporting and attribution context.
• TikTok Ads: Gross Revenue for Shop Ads: Official distinction needed when bridging platform revenue to seller-retained revenue.
• TikTok Ads: affiliate creatives: Official Ads x Affiliate, creator authorization, and commission context.
• Seller Profit Guard methodology: Evidence, privacy, calculation, review, correction, and restoration controls.

Related Seller Profit Guard tools

• Sales Channel Contribution Calculator: Compare two closed aggregate channel cohorts.
• Marketplace Fee Comparison Calculator: Compare complete fee packets for one retained order.
• Marketplace Price Parity Calculator: Reverse-solve prices for a common contribution target.
• Contribution Margin Calculator: Model one retained-order contribution packet.
• Methodology: Review evidence, privacy, calculation, release, correction, and restoration.
• Data Privacy: Protect seller, buyer, order, payment, account, bank, and raw export data.
• Sales Channel Contribution Formula and Inputs: Build comparable closed channel cohorts from retained net revenue, retained orders, all declared costs, targets, evidence, and restoration.
• Organic Marketplace Contribution Example: Reperform an invented organic Etsy cohort through retained revenue, costs, total contribution, margin, per-order contribution, target, and rollback.
• Paid Owned-Store Contribution Example: Model a paid Shopify cohort with payment, acquisition, fulfillment, return, software, support, and product-cost evidence.
• Sales Channel Contribution Data Sources: Map retained revenue, orders, fees, acquisition, fulfillment, returns, software, support, product cost, ownership, and restoration.
• Sales Channel Contribution Thresholds: Separate structural Block, economic Review, narrow Ready, volume context, override authority, stop rule, monitoring, and restoration.
• Compare Organic Marketplace and Paid Store Contribution: Align cohort grain and isolate fees, acquisition, fulfillment, returns, software, support, volume, and unit-economics differences.
• Monthly Sales Channel Contribution Routine: Turn the calculator into a repeatable close, reconciliation, allocation, return-maturity, review, exception, monitoring, and rollback cadence.
• Interpret Sales Channel Contribution Results: Read contribution, margin, and contribution per order without inferring demand, causality, lifetime value, payout, accounting, tax, or superiority.
• Sales Channel Contribution Audit Template: Preserve cohort identity, dates, sources, revenue, orders, every cost, formulas, targets, decision, owner, review, backup, stop, and restoration.

Next step: Open Seller Profit Guard.

This is operational planning help, not tax, accounting, legal, financial, or platform-policy advice. Review the Terms and disclaimer, and verify current platform rules and fee assumptions before changing prices.