The revenue is variable from month to month, but Programming Zen and Math Blog fight each other for the crown of most revenue each month (excluding Any New Book

The revenue is variable from month to month, but Programming Zen and Math Blog fight each other for the crown of most revenue each month (excluding Any New Books which is technically a blog, but more of a service in reality). Regarding income, it's a mix of Amazon, other affiliate programs, ads, and sponsorships. As I mentioned above, I'm writing a blueprint for making extra money and getting other important benefits out of technical blogging. If this interests you, please take my quick survey. It will help me include all the info people are really after: https://spreadsheets0.google.com/viewform?hl=en&hl=en&formkey=dGxZYzVkQXNHMDFiNmVxXzc4QVdkQXc6MQ#gid=0 https://spreadsheets0.google.com/viewform?hl=en&hl=en&#3...