I do surveys with mysurvey.com. Don't expect to rake in a lot of cash, but if you enjoy taking surveys it's a good way to get a prize (which can be money) here and there. My favorite part is that occasionally they send me products to test and then answer surveys about. It doesn't happen very often, but in the past I've gotten diapers, deodorant, a couple of frozen pizzas...again, not a lot, but it's kind of fun.
I think you will find that you have to invest a significant amount of time for what you will make. Maybe if you are sitting around all day watching TV and doing surveys on your laptop, it would be worth it, but if you are thinking you will put in half an hour a day on it, you won't get much.
I didn't figure it would pay much but over time you can accumulate a little money to put towards something and with coupons and things you would then get the item free. (something small like a drug store item.)
But I probably won't be doing many surveys because I don't have the patients to sit to long. LOL
I'm just really trying to be frugal and so I'm looking at every opportunity I can. 
Jen...
I bit and paid $50 or so for one of those "do survey at home" ads. SUCH A WASTE OF MONEY.
On Amazon or something there is a site called Mechanical Turk or something like that, and you earn tiny bits of money for doing tasks. It strikes me that it would be about the same amount of time/reward as doing surveys. Probably more if you can do some of the pricier tasks.
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