💰 FlipCalc
Lightweight • No signup • Local-only calculations
✓ Avoid accidental loss listings

Know your true profit before you list on eBay.

FlipCalc adds a real-time profit calculator directly inside your eBay listing page. As you type, it shows net profit, ROI, and break-even — so you price with confidence.

  • Real-time profit, ROI, and break-even
  • Shipping + cost tracking (free shipping toggle)
  • Designed for resellers — fast, in-flow, no spreadsheets
No accounts. Runs locally in your browser. (Your listing data never leaves your machine.)
FlipCalc real-time eBay profit calculator demo
What it does (in 5 seconds)
Type price → FlipCalc updates profit instantly → you adjust until the numbers make sense.
Built for accuracy
Clear fee assumptions. No “magic AI.” Just math you can trust.
Zero accounts
No signup. No backend required. Install and list.
Reseller speed
Always visible while listing. No copy/paste to websites.
Get fee-change alerts + major updates
One email when eBay fees change or a major version ships. Nothing else.
Want this wired up now? Add a simple email provider (no “full app backend” needed).