FlipMargin - eBay Profit Badges & Comps CSV Exporter

See estimated net payout, fees, and max buy price on eBay listings, and export search comps to CSV.

Stop guessing your real profit margins on eBay. FlipMargin automatically calculates eBay final value fees, net seller payouts, and your maximum buy price for a target ROI directly on eBay search results and Sold Listings pages—plus lets you export comps to a clean CSV spreadsheet in one click. Built for resellers, hardware flippers, TCG/collectible buyers, and e-commerce store owners who want instant numbers without copying and pasting listings into a separate calculator tab. KEY FEATURES: • Live On-Page Net Profit Badges: Automatically injects a clean badge below every eBay listing price showing your exact Net Payout after standard eBay fees (13.25% + $0.40 per order) and your Max Buy Price to hit a 30% ROI flip margin. • Works on Active & Sold Comps: Browse eBay search results or "Sold Items" history and see true net payouts after shipping and fees at a glance. • One-Click CSV Spreadsheet Export: Open the FlipMargin popup on any eBay search page to download a clean, ready-to-sort CSV file containing Item Title, Price, Shipping, Gross Total, Estimated eBay Fee, Net Payout, Max Buy Price (@30% ROI), and Direct Listing URL. • Custom Fee & ROI Presets: Adjust final value fee percentages and target profit margins to match your exact eBay store category. • 100% Client-Side Speed & Privacy: All fee math and CSV generation run locally inside your browser tab with zero external tracking of your browsing history. FREE TIER VS. FLIPMARGIN PRO: • Free Forever Tier: Unlimited on-page Net Profit & Max Buy badges on all eBay search pages + export up to 15 listing rows per CSV download. • FlipMargin Pro ($4.99/month or $19.99 One-Time Lifetime): Unlock unlimited rows per CSV export, custom fee percentage overrides, and target ROI deal highlighting. Upgrade or manage your plan anytime in one click via Stripe and ExtensionPay.