FCF (Free Cash Flow)

Amazon & D2C glossary · Harpy Media

FCF (Free Cash Flow) is the cash a business actually generates after everything it consumes to keep running and growing — operating cash plus or minus the capital tied up in inventory, equipment, and platform float. For Amazon sellers, it’s the honest answer to “how much money do I actually have?”

What is FCF?

FCF (Free Cash Flow) is the cash a business actually generates after everything it consumes to keep running and growing — operating cash plus or minus the capital tied up in inventory, equipment, and platform float. For Amazon sellers, it’s the honest answer to “how much money do I actually have?”

Amazon businesses can be profitably broke with remarkable consistency: a P&L showing healthy margins while the bank account starves — because the cash is sitting in Q4 inventory, inbound transit, a 90-day cash conversion cycle, and Amazon’s payout rhythm. FCF is the metric that refuses to be fooled.

Why profit and cash diverge so violently on Amazon

The mechanics: inventory purchases hit cash weeks or months before the sales they produce (and sales pay out after Amazon’s reserve and settlement windows); growth itself consumes cash (every 30% revenue step needs a bigger inventory float to fund it); platform deductions land on the remittance schedule, not yours; and fees, ads, and freight are all paid promptly. So a growing seller’s cash position is a race between two numbers — operating profit accumulating and working capital being demanded — and in a fast-growth quarter, working capital usually wins. The sellers who survive scale are the ones who project this race in advance instead of discovering it when the supplier invoice arrives.

Managing to FCF, not to drama

The levers, in order of impact: cash conversion cycle discipline (inventory days down, supplier terms longer, payouts understood — see CCC), forecast integrity (working capital demands are predictable if demand is; they’re emergencies only if it isn’t), growth pacing (a growth rate your cash can fund, or financing arranged deliberately to fund the rate), and reserve awareness (know what Amazon is holding and when it releases). The dashboard habit: a rolling 13-week cash projection, updated weekly — profit statement for the accountant, cash forecast for survival. The two rarely tell the same story, and the one that pays suppliers is the forecast.

In practice

A seller’s best quarter ever, by the P&L, arrives with a cash crunch: three containers ordered for Q4 growth, payments due before their sales recycle, Amazon holding disbursements on schedule. Nine weeks of strain while the accounting looked triumphant. The fix that follows is structural, not heroic: 45-day supplier terms negotiated, the CCC shaved 20 days, growth paced to the cash model instead of the excitement model. Next peak, same growth, no drama.

How Harpy Media helps

Cash-flow modelling and CCC management sit alongside profitability in our monthly client reviews — because the bank account, not the P&L, decides what ’what’s possible’ means each month.

FCF FAQ

What is free cash flow?

The cash generated after operating needs and growth investment — what’s genuinely available to reinvest, distribute, or hold.

Why is FCF different from profit for Amazon sellers?

Because inventory, transit, platform float, and payout schedules move cash on different clocks than the P&L — healthy profit and empty accounts coexist constantly.

How do sellers improve FCF?

Shorten the cash conversion cycle (inventory discipline, supplier terms), forecast demand honestly, pace growth to fundable rates, and run a rolling cash projection.