Marge.

Know your real profit — after every fee. Marge is the professional-grade reseller tool that starts simple. Log what you bought, what you sold, and the fees in between — and see exactly how much you actually made on every flip. Then, when you're ready to run it like a business: P&L statements, expense and mileage books, inventory valuation, and tax-ready reports. Beginner-friendly on day one, a powerhouse when you go full-time. Built for the way you flip • Source → list → sell pipeline, with per-sale marketplace fees, shipping and other costs • Net profit, ROI%, margin and days-to-flip on every item • Portfolio scoreboard: all-time profit, money tied up, best categories and platforms • Buy in one currency, sell in another — totals stay straight • Lots/quantities, returns, and partial sales Fast to log • Add a buy in seconds; everything but name and cost is optional • Scan a product barcode to fill the item and pull a photo • Import your existing spreadsheet (CSV or Excel) with smart column detection • Snap a photo of the item + receipt and let AI pre-fill the details Run it like a business (Pro & Expert) • Pro: AI photo scan, unlimited flips, full insights, and monthly profit goals • Expert: profit & loss statements, an expense ledger, mileage at the IRS rate, inventory valuation, and a Schedule-C-style tax summary you can export Private by design • Works with no account — your inventory lives on your device • Optional sign-in (Apple, Google or email) syncs across your devices; delete your account anytime • No ads, no tracking, no selling your data • Export everything to CSV anytime Marge is descriptive, not prescriptive: it reports your numbers, it never gives advice or moves your money. Terms of Use: https://airwinn.github.io/flipfolio-legal/terms.html Privacy Policy: https://airwinn.github.io/flipfolio-legal/privacy-policy.html