In addition to blog posts, I write short reviews [1] for technical books that I've read and use Amazon Affiliate links (a single link to the book). It works ou

In addition to blog posts, I write short reviews [1] for technical books that I've read and use Amazon Affiliate links (a single link to the book). It works out to between $20-$50 a year for my blog [2]. Nothing major but it covers a couple "free" Kindle books or a nice steak dinner :) [1]: http://www.mdswanson.com/writeup/2013/11/13/how-to-fail-at-almost-everything-and-still-win-big.html http://www.mdswanson.com/writeup/2013/11/13/how-to-fail-at-a... [2]: https://gist.github.com/swanson/4711006 https://gist.github.com/swanson/4711006