
If you're looking for a guaranteed way to actually start making money, but you don't care about the amount, you might want to take a look at Amazon Mechanical Turk.
Earn Money on Amazon MTurk
This is an interesting little marketplace, where people perform services called "HITs", which stands for human intelligence tasks. These are completely mundane tasks that require very little to no special skills at all, but cannot really be done by a computer, so mturk provides a way for people to perform these HITs and receive a small payment for each one.
Most of these tasks are things like categorizing products, transcribing scripts,...