8 of 406 ideas

A construction-industry executive sells the one thing his own industry has nobody doing: writing and coaching LinkedIn content for glazing and contracting firms

One PDF planner built specifically for GoodNotes, sold on Etsy, at $894,000 in lifetime sales from one listing

A $6 print-on-demand can cooler that buyers purchase fifty at a time for weddings, parties and group trips — with the buyer typing their own text into the design

A screen-time blocker that makes you pray before Instagram opens — one gimmick feature, one religious community, $40K a month.

An unmonetized YouTube channel with 1,400 subscribers and 100-200 views a video closed a single B2B contract worth over $106,000 — because it was built for one buyer, not for an audience.

One embed snippet that drops a searchable store-locator map onto any e-commerce site — a feature so small it looks like nothing, sold at $19 to $59 a month, and reported at $25K/mo before the founder sold it and became an investor