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RevenueIdeaCategory · Evidence · Difficulty

AI-Built Single-Page Read-Later App (Single-page Read-Later App / Replit)

Build a Pocket-style, distraction-free read-later app in a few hours with one tool (Replit), monetized twice over with a $19.99 Stripe annual membership plus Google ad-network revenue — the thesis being that the most profitable apps are actually the most minimal ones

Simple ToolT3

Simple Tool

The paid versi…T2

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Roy Lee's product before Cluely: screenshot the question, AI solves it instantly, invisible on a screen share. He blew it up with a controversy script — filming himself cheating his way to an Amazon offer, getting expelled from Columbia, and live-tweeting every step — which converted straight into a $5M round on 200-300M views.