The document discusses various ways that data scientists make money beyond traditional full-time employment. It describes stories of individuals who have found creative ways to generate income, such as teaching coding classes for kids after leaving a developer job (Frankie), running workshops on the side while employed full-time (Jamie), creating an online course on a site like Udemy (Ricky), developing a t-shirt brand and using data to automate marketing (Sherm), and using trading strategies developed with data science to day trade for profit (Dan). The document provides suggestions for how to replicate these side businesses and income strategies.