Unless you have something rare and original, you probably won't make any money with them. (thecollegeinvestor.com)
Your application is probably free if you don't plan on making any money with it, or if it's open source. (law.stackexchange.com)
I've been thinking about setting up a blog, and of course would like to make money with it in the future, but I have one question. (teacaketravels.com)