Free tool
Reseller fee calculator
What you actually keep after the platform's cut, shipping and packaging. Same math the Fownd app uses on every scan.
Net profit
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Enter a sale price and what you paid.
Skip the math in the aisle.
Fownd scans the item, prices it from live listings (Pro adds recent sold prices), runs this exact calculation and gives you a verdict: BUY, CONSIDER, BORDERLINE or PASS.
How the fees are calculated
Rates as of September 2026, standard seller accounts, US. Platforms change fees; check yours. Store subscriptions, promoted listings and sales tax handling are not included.