Founder resources

Library

Free pain-first resources on validation and demand discovery — so you can find real customer problems before you build.

What: Actionable playbooks, idea lists, and search templates — not generic startup advice.
Who: Indie hackers and founders hunting ideas before they waste months building the wrong thing.
Why: Learn the manual method PainHuntr automates — find pain, validate demand, build what people pay for.

PainHuntr is coming soon — these resources show the kind of signals it will surface automatically.

Resources

17 Startup Ideas Hiding in Reddit Complaints

Validation

SUSHIL · JUNE 30, 2026

17 Startup Ideas Hiding in Reddit Complaints

Buried in 1,000+ Reddit complaints this month: 17 startup ideas with people literally asking to pay. Not vague ideas — demand that already exists. Each one includes the pain, what to build, and the exact search to find the proof yourself.

How Linear Built a Billion-Dollar Product by Listening to Customer Complaints

Case Study

SUSHIL · JUNE 29, 2026

How Linear Built a Billion-Dollar Product by Listening to Customer Complaints

Linear didn't invent project management. Jira, Trello, and Asana already existed. I dug through Reddit, Hacker News, and years of Jira complaints — the internet had already written Linear's roadmap.