Use the calculator as an estimate, not accounting advice.

These terms explain the basic conditions for using MarginCraft.

Estimates only

MarginCraft provides fee and profit estimates for planning purposes. Results may differ from your actual marketplace, payment processor, tax, shipping, or accounting records.

No professional advice

The site does not provide tax, legal, financial, or accounting advice. Consult qualified professionals for decisions that require professional guidance.

User responsibility

You are responsible for verifying fee rates, tax treatment, shipping costs, and business decisions before relying on any calculation.

Availability

The site may change, become unavailable, or contain errors. We may update formulas, defaults, and content over time.

Updates

These terms may be updated as the site changes. Last updated: June 16, 2026.