BUILT FOR RESELLERS
Know your profit before you buy.
Simple tools for eBay sellers and resellers who want to source smarter, protect their margins, and grow a real business.
Calculate a FlipFREE RESELLER TOOLS
Tools built to help you source smarter.
Start with the tools that save you time and keep bad buys off your shelf.
Flip Calculator
Calculate net profit, margin, ROI, break-even, and a quick BUY / MAYBE / PASS decision.
Open calculator →Inventory
Track your items, SKUs, storage locations, costs, and sales.
Open inventory →Analytics
Review profit, margins, ROI, sell-through, days to sell, and your best sellers.
Open analytics →Expenses
Track business spending, organize receipts and categories, and export your records for Sheets or Excel.
Track expenses →THE BIGGER PLAN
From one calculator to your reseller command center.
Harmony Flips will grow from free sourcing tools into a complete platform for inventory, expenses, analytics, and smarter reselling.