I spent ten years on a software project, and 6 months after finishing it still hasn't made a single penny :( 10 years. I learned valuable lessons (like knowin

I spent ten years on a software project, and 6 months after finishing it still hasn't made a single penny :( 10 years. I learned valuable lessons (like knowing when to stop!), but they were long, loooong lessons. I still haven't really let myself think about it too much...