Blog
Blog
Notes on SaaS unit economics, AI costs and pricing — with the numbers shown.
October 3, 2026 · 1 min read
Your AI feature is a cost line, not a feature flag
Every AI request has a price. How AI features quietly change SaaS gross margin, why the monthly invoice is too late, and what to measure daily instead.
October 2, 2026 · 1 min read
MRR is not revenue — and why that matters for your margin
MRR and revenue answer different questions. Why mixing them inflates gross margin, and how to use each one correctly in a SaaS dashboard.
October 1, 2026 · 1 min read
Stripe fees are part of your cost of goods sold
Payment fees are often a SaaS company's third-largest cost after hosting and AI. How to account for Stripe fees in gross margin and estimate them per plan.
September 30, 2026 · 1 min read
Cloud credits are hiding your real gross margin
Startup cloud credits make infrastructure look free until they expire. Why to exclude credits from COGS and plan for the margin you'll have without them.