Short answer: Accounting P&L and marketplace profit analytics answer different questions. You need both.
Hedge: fee figures are illustrative; confirm the live Seller Centre rate card. Not tax/legal advice.
Key table
| System | Question | Cadence |
|---|---|---|
| Accounting | Tax/statutory | Month |
| Profit tools | Which SKU paid me | Weekly |
| e-Invoice | Documentation | As required |
What to do
- Keep tax with your accountant
- Keep SKU contribution in profit tools
- Do not treat GMV as taxable revenue blindly
- See e-Invoice readiness guide
Links and tools
Internal reading: excel · einvoice · fees_sp · sku.
Model fees with the fee calculator.
Inseller
Inseller is the profit layer next to Seller Centre — actual fees, ads and SKU contribution so dashboards do not hide red contribution margin.