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ResaleMath

Free fee calculators for eBay, Poshmark, Depop & more

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Resale apps hide part of their fees: some charge on shipping and tax, Poshmark has a $15 cliff, Depop charges for boosts. ResaleMath shows what you actually keep on eBay, Poshmark, Depop, Mercari, Whatnot and Etsy, side by side. Fees come from each app's official pages. Free, no sign-up.

PH · launched Nov 7, 2026 · 1 upvote (top 65%) · 0 views

Niche: retail price tracking and pos software · 66 launches, 6 in the last 7 days ▼ -45% · Explore this niche →

Category and tags

  • Retail & commerce
  • Analytics & BI
  • Prosumer
  • Not AI
  • Commercial product
  • Productivity
  • Fintech
  • E-Commerce

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Could you build this?

Yes Fee calculators are straightforward arithmetic over published fee schedules, which is ideal for a quick vibe-coded site.

Competitors

Other products that read as similar to this one : 382 launches clear the similarity bar, closest 8 shown.

Attention rank: #109 of 383 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 334 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.