This is where it can all go downhill quickly. In the pressure to make as many pennies out of a nickel, a lot of research corporations will not just sell your answers but the data associated with it. Details that you provide when taking paid surveys such as your name, address, age range can all be attached together quickly to fulfill a lot of larger companies' requests for information (RFI).
In most cases, you can redeem your points for merchandise or for gift cards. Understand that redeeming for merchandise isn’t usually the best choice. Many of the items are outdated or of poor quality. You are usually better off redeeming the points you get from filling out paid surveys on gift cards. Check to see if the gift cards offered are to your favourite stores or places that you shop regularly.