ifBuyz AtlasOpen Tools

Feb 25, 2026 · 6 min read

Micro SaaS Unit Economics Basics

A simple starting point for unit economics using break-even logic.

Know your true variable cost

APIs, support load, and payment fees should all be counted per user.

Track payback time

Break-even units are useful, but payback time keeps cash runway visible.

Iterate with real cohorts

Replace assumptions with observed data as soon as volume allows.

Try related calculators

More guides