90 days ago I shipped a stupid little SaaS. It filters my email by people I actually know. That's it. No AI. No agents. Just a contact-list match against my inbox so I stop drowning in newsletters when I should be reading replies from customers. I built it in two weekends because I was tired of missing real emails. Slapped a $5/mo price on it expecting nothing. 600 paying users later. Here's what surprised me. The people buying it aren't power-user nerds. They're founders, parents, freelancers. Normal people drowning in the same noise. They don't want a "smart inbox." They want their inbox back. A few non-obvious lessons: - "Boring" beat "AI-powered" by a lot. My landing page barely mentions tech. - 80% of conversion came from one X thread. Not ads. Not SEO. Just me explaining my own annoyance. - People will pay $5/mo for relief that costs me $0.20/mo in infrastructure. If you're building something small and feel guilty it's not ambitious enough: ship it. The pain is the moat. Not the AI.