Micro-SaaS 90-Day Build — Stripe·Supabase·Vercel Free Plan to $1,200 MRR (2026)

Building a micro-SaaS in 90 days using Stripe checkout, Supabase Auth, and Vercel Functions on free plans. Phase 1 MVP, Phase 2 webhook integration, Phase 3 reaching 48 paying users at $1,200 MRR.