I'm building a bootstrapped EdTech SaaS and I'm trying to keep my infrastructure at $0 for as long as possible . Originally my stack was: Supabase Vercel I recently switched to: Turso (8 GB free database, no credit card) WorkOS (authentication) Resend (3,000 emails/month free, no physical address required) Cloudflare Pages (hosting) Cloudflare Workers (Edge API) The main reason was to avoid running into free-tier limits too quickly while keeping the stack s...