I make an app in my spare time

Put that in conjunction with that older article about the economics of apps http://communities-dominate.blogs.com/brands/2010/06/full-an... . If the numbers here are right, it would be cleverer for most people to make overtime at work, and invest that money wisely - any interest generating investment would then do better.

This comics put things in perspective... Coding an app or having a life, that is the question.