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TrueMargin

See what each order, SKU and channel really earned after fees, shipping and cost of goods — from files exported from Etsy, eBay, Amazon and Shopify.

React Router 7 React TypeScript Tailwind CSS Supabase Paddle

30-second promo

What the video shows

Pick a scene to jump to it. Each one links to the part of this page it comes from.

  1. Read: Who it is for
  2. Read: What it does
  3. Read: What it does
  4. Read: Pricing

Example order with US fees. The Offsite Ads fee applies only if the sale came from an Offsite Ad. Not tax or accounting advice.

Context

TrueMargin product illustration

What it does

Upload the payment, order and shipping-label files from Etsy, eBay, Amazon and Shopify, and see what each order, SKU and channel actually earned after marketplace fees, shipping and cost of goods — not the gross number on the marketplace report.

Version one reads CSVs. No marketplace API, so no waiting on developer-account approval before a seller can find out whether they are making money.

True profit per SKU, healthy rows and losing rows

A CSV export turning into a true-profit chart

Who it is for

Solo and small-team multi-channel sellers who currently compute margin in a hand-built Google Sheet — including the ones who lost their sub-$20/month plan when Craftybase became Stocksmith, raised prices and dropped hobbyist crafters.

Where a product uses AI, it runs on the customer’s own API key — Anthropic, OpenAI, Google or OpenRouter — and the model is theirs to pick. My key never touches customer data.

Pricing

Maker at $12, then $19 / $39 / $79 per month, billed through Paddle.

One of ten

TrueMargin is one of ten small products I am building in public. Eight of them share a common core and one visual language, so an improvement made for one reaches the others.

Every number follows the same rules across the money products: an unknown value shows as —, never 0, and dates spell out the month, because 01/02/2026 is two different days to a US merchant and a UK one.

Where it stands

As of 11 October 2026: In development and not launched. 46 of 57 build tasks done.

Contact Me

Feel free to reach out via the form or directly:

admin@brandon-ta.com