Resellers lose money to platform fees, shipping and hidden costs they did not account for at the buy. These 8 field-tested tips cut straight to what makes the biggest difference for online resellers and flippers — and at the end you will find a free app that makes following them effortless.
1. Always calculate profit AFTER fees before you buy.
2. Know each platform’s fee percentage — they vary a lot.
3. Factor shipping supplies and label cost, not just postage.
4. Aim for a margin that survives a return or discount.
5. Compare platforms before listing the same item.
6. Track cost basis for taxes from day one.
7. Bundle slow items to recover cost.
8. Reinvest profit, not principal, to grow safely.
Put These Tips on Autopilot
Knowing the tips is half the battle — doing them consistently is the other half. Reseller Profit Scout keeps the routine, does the calculations and reminds you what is next, so good habits stick.
Frequently Asked Questions
How do I calculate reselling profit?
Sale price minus item cost, platform fees, shipping, supplies and tax — the app does it instantly.
Which platform has the lowest fees?
It varies by category and price; compare them in the app before listing.
Should I include my time?
For pricing, yes — set a target margin that pays you for sourcing and listing.
Can I track inventory cost?
Yes — log cost basis per item for profit and taxes.
Does it work offline?
Yes — calculators and logs work without a signal.
Is the app free?
Yes — the calculator is free, with an optional ad-free Pro upgrade.