In this episode of Cash Machines, Tom Hunt deconstructs the $7.2 billion revenue engine behind OnlyFans. He examines how founder Leo Radvinsky maintains massive profit margins by dominating a niche with limited competition. The breakdown explores the platform's transition from a niche site to a global powerhouse during the COVID-19 pandemic and the unique "immorality moat" that keeps traditional competitors at bay. Tom also identifies the critical role of founder-market fit in navigating the "grey areas" of the digital economy. This is an essential case study for entrepreneurs looking to build high-leverage assets in underserved markets.