Ryan Gilbert created a successful side hustle by launching a newsletter called "Workspaces," which shares insights into remote workspaces of entrepreneurs and professionals. The newsletter eventually grew to $24K/year in revenue, was acquired by the YC startup Loops, and provided Ryan an opportunity to transition into a tech career.

This article details the journey of Rox, a tech entrepreneur who built a $16K/month business testing YouTube thumbnails. The journey highlights the challenges and successes experienced in creating the business, from coming up with the idea to generating significant earnings.