A Dutch indie founder began Photo AI with a one-page checkout and manual fulfilment. Here is how he turned a viral AI experiment into a subscription product—and what the revenue claims, compute costs and risks actually show.
Justin Welsh used LinkedIn content to win consulting clients, then turned repeated audience questions into self-paced courses and a newsletter-led business. In a 2024 founder interview, he reported $3.85M in annual revenue—self-reported, not audited. Here is the funnel, economics, risks and a 30-day experiment you can adapt.
Eric Barone spent four years building Stardew Valley largely by himself. By December 2024, the game had sold more than 41 million copies. Here is the real timeline, business model, growth strategy, risks and practical lessons for solo creators.