... because they validated with surveys instead of money. Stack is intentionally boring: Next.js, Supabase (auth + DB), Vercel for hosting, Stripe for billing. The interesting part is the research engine underneath we scrape job boards, Reddit pain threads, and competitor reviews to identify niches where buyers are already spending, then package it into a report with a vibe coding blueprint so you can actually ship it. Permissions/auth is Supabase Row Level Security verbose to set up but rock solid once ... ... developer. My "co-founder" is AI. It wrote 90% of the code. Although it was expensive, I used OpenClaw + Codex + Opus. The hardest part wasn't the tech it was staying focused on what actually matters to users vs