Survey Junkie is among the most straightforward survey sites out there, which puts them at the top of this list. All you have to do is sign up to be eligible for surveys. Once you complete a survey you earn a certain amount of points that you can exchange for cash paid directly to a PayPal account or you can redeem your points for gift cards. Super simple.

Believe it or not, you might already have most of an ebook written already. If you are already making money with a blog, those blog posts could be turned into an ebook with some editing. Simply collect relevant blog posts into an order that makes sense, make any needed edits so that references that aren’t relevant are taken out, and add an introduction and conclusion, and you’re done. Any blog posts you use should cover the same or related topics and work well together.