All it wants to see is your Amazon order information, including the order date, product title, category, ISBN number, release date, condition, seller, list price per unit, quantity and other details. In order to get paid, you must download the shoptracker program. Then, every month, you will receive a $3 VISA Gift Card. I did it and it works. More information about ShopTracker here.
Survey Junkie is among the most straightforward survey sites out there, which puts them near 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.