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Managing the profitability of your Amazon business: the 2026 guide

Selling a lot on Amazon does not mean making money. Between referral fees, FBA, advertising, returns and VAT, real profit hides behind revenue. This guide sets out the method for managing it.

The revenue trap

An account can show โ‚ฌ50,000 in sales and still lose money. Revenue is only a starting point; what matters is net profit after all costs. The first discipline: never reason in terms of revenue.

Building your profit and loss statement (P&L)

An Amazon seller P&L stacks up, line by line: sales, customer refunds, referral fee, FBA fees, storage, advertising (PPC), cost of goods sold (COGS), VAT, miscellaneous fees. The bottom line = net profit.

The KPIs to track every week

  • Net profit and net margin
  • ROI per product
  • Advertising as a share of revenue (TACoS)
  • Available cash vs upcoming restocks
  • Loss-making products

Cash flow, the lifeblood of the business

Amazon pays out with a delay (disbursement cycle): a profitable business can run short of cash to restock. Managing available cash matters as much as margin.

From data to decisions

Your dashboard should answer three questions: Am I making money? Where is my margin leaking? Do I have the cash to scale? The articles on this blog cover each building block in detail. Profit+ automates the P&L, real fees, FBA reimbursements and cash flow.

See your real profit, not just your revenue

P&L, real FBA fees, reimbursements, cash flow and cohorts โ€” all in one place.

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