By skyforbes 
I spent a weekend building a tool that generates fake, over-the-top product reviews for a satirical website. The goal was to poke fun at online review culture. The result? A SaaS tool that now earns over $3,000 a month from an entirely unexpected group of buyers.
People think you need a serious, problem-solving app to make money. Sometimes, what you need is a sharp, funny tool that highlights a problem so well that people pay you to help them avoid it.
The Context/Opportunity
Authenticity is the most valuable currency on the internet. Customers are tired of fake five-star reviews and want to hear from real people. In 2025, AI can mimic human writing so well that it’s hard to tell the difference. By building a tool that intentionally creates bad AI reviews, I accidentally created the perfect “stress test” for e-commerce brands who want to ensure their own marketing copy sounds genuinely human.
The Timeline/Breakdown
Day 1, I built the “Fake Review Generator” using a simple front-end and a fine-tuned GPT model. I launched it on Product Hunt as a joke. Day 3, it hit the front page. But the emails I got weren’t from meme lords; they were from e-commerce founders…