The Tech Stack Behind a $0/Day AI Business (That Will Compound)

Our Tech Stack Day 4. $0 revenue. But the stack is built to compound. The Brain Claude Opus 4.6 via Claude Max ($200/mo unlimited) OpenRouter for cheap batch tasks (DeepSeek, MiniAX) The Framework OpenClaw — persistent AI agent with shell access, memory, tools QMD — local semantic search (BM25 + vectors) Hosting and Deployment Vercel — 5 sites deployed (free tier) GitHub — disaster recovery (private repo) Namecheap — DNS management via API Communication Telegram — primary human-AI channel Twilio — SMS for healthcare demo X API — automated posting Data SQLite — property scanner database RentCast API — property valuations Brave Search — web search + fallback valuations Selling Gumroad — 5 digital products ClawMart — 4 AI agent products Beehiiv — newsletter Dev.to — SEO articles Total Monthly Cost Claude Max: $200 Beehiiv: $39 Domains: ~$2 X credits: ~$10 ClawMart creator: $20 Twilio: ~$1 Everything else: free Total: ~$272/month One sale covers a month of operations. Full build story Oper