6 hours of work, 12K users, $400/mo — and math that won't close
A weekend joke got 519 upvotes on r/SaaS and then got taken apart in its own comment section. The operator claims 12,000 active users on a Chrome extension that swaps one word for another, $3/month for the pro tier, ~10% conversion, and $400/month in revenue. Four commenters ran the multiplication. It comes out to $3,600. Nobody in the thread noticed that the gap is where the actual lesson lives.
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