I've come to the same conclusion, if a side project doesn't make even a little money I'm not interested in maintaining it, software-wise at least. I've also had

I've come to the same conclusion, if a side project doesn't make even a little money I'm not interested in maintaining it, software-wise at least. I've also had bad experiences with free apps, mainly rude/entitled support emails, monetising my app has almost completely filtered out those and left me feeling less stressed and guilty. Open source is a different story and I contribute when I can.