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Disclaimer

Last updated: November 13, 2026

Bussnizz calculators give estimates. They’re designed to get you close enough to make good decisions about pricing and costs, not to reproduce your statement to the cent.

Where our rates come from

Each seller calculator uses fee rates from the platform’s own published fee pages: Etsy, eBay, Amazon Seller Central, Walmart Marketplace, TikTok Shop, Shopify, WooCommerce, PayPal, Stripe, and Square. Every tool:

  • links to the sources it uses,
  • shows the date we last reviewed its rates, and
  • lets you edit the assumptions if your account is different.

Every rate change we make is recorded in the fee change log.

Why your actual fees may differ

  • Category rules: many marketplaces charge different rates by category, and some have minimums or caps.
  • Plans and subscriptions: store subscriptions, seller plans, and volume discounts change the rates.
  • Promotions and ads: optional ads, promoted listings, and offsite ads add fees that depend on how a sale came in.
  • Currency and country: conversion fees and country-specific rates apply to cross-border sales.
  • Taxes: sales tax, VAT, and regulatory fees vary by location.
  • Refunds and disputes: returns, chargebacks, and partial refunds are handled differently by each platform.
  • Changes: platforms update their fees, sometimes with little notice.

Everyday calculators

Pay, loan, mortgage, interest, construction, and conversion calculators use standard formulas, printed on each page. Real loan offers, payroll taxes, and material needs depend on factors the calculator can’t see, so treat results as a starting point.

Not professional advice

Nothing on Bussnizz is financial, tax, accounting, investment, or legal advice. For decisions with real consequences, talk to a qualified professional.

Platform names and logos

Bussnizz is independent. We are not affiliated with, sponsored by, or endorsed by Amazon, Etsy, eBay, Shopify, WooCommerce, PayPal, Stripe, Walmart, TikTok, Square, or any other company named on this site. Platform names and logos are used with permission to show which services each calculator covers, and remain trademarks of their owners.

Spotted a mistake?

If a rate or result looks wrong, please contact us with the tool, your inputs, and a link to the platform’s current fee page. We review every report.