Benjamin Bailey was sitting at a café in Europe with his wife when his phone buzzed. Ding. Another $50 payment had come through. Enough to cover lunch, maybe dinner too. 🧮 Side Hustle: Online pension calculator 💰 Revenue: $10K to $11K per year (mostly passive) 🗓️ Started: 2020 Featured Quote: “You’re not trying to be... The post How a College Professor Turned a Simple Calculator Into $10K a Year in Passive Income appeared first on DollarSprout.
