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CLUSTER PRODUCT-AMAZON-FEES · 8 ENTRIES · EARLIEST ENTRY unknown

E-commerce seller profit calculators

This cluster comprises web-based calculators and pricing engines that help online sellers estimate marketplace fees, profit margins, net earnings, and optimal prices. Only 4 dated entries exist before the index start, and 5 members have no source date, so the dated history is too thin to read a shape from. Traction leaders are tool-shelf, Enterprice-Precifica-o, and price-pivot-pro, each with 0 stars on activity signal.

Entry timeline

ENTRY TIMELINE

JUL 2025: 1AUG 2026: 4SEP 2026: 1OCT 2026: 2
JUL 2025OCT 2026

Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.

Members by activity

Activity signals, not revenue.

Build origin · 5 ai-built · 3 unlabelled

Operator · 2 hobby · 2 indie · 4 unlabelled

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 8 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 01dashboard-precificacao0★18 dayslivehobbyWeb app that calculates the correct selling price for products across multiple online marketplaces, accounting for fees, shipping, and taxes to prevent losses.
  2. 02ebay-calc0★3 days—hobbyWeb app that prices eBay listings by factoring in shipping costs, eBay fees, sales tax, and target profit to prevent seller losses.
  3. 03tool-shelf0★1 mo—indieBrowser-based calculator suite for individual sellers and small pop-up shops to compute costs, profits, break-even points, and sales targets.
  4. 04price-pivot-pro0★7 mostaleliveai-builtindieWeb tool that helps online sellers calculate and adjust product pricing strategies based on market data.
  5. 05Depop Fee Calculator0★unknownliveai-builtWeb calculator that estimates Depop marketplace fees and net earnings for sellers listing items.
  6. 06pay-pal-calculator-us0★unknownliveai-builtWeb app that calculates PayPal fees for US transactions to help sellers estimate net proceeds.
  7. 07Marketplace Fee Calculator0★unknownliveai-builtWeb tool that calculates marketplace selling fees and estimates potential net earnings for online sellers.
  8. 08Mercari Fee Calculator0★unknownliveai-builtCalculator that estimates selling fees and net earnings for items sold on the Mercari marketplace.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.