They include sites that seem to be their competitors because they earn referral fees when you buy memberships. A couple mentioned in scam forums even try to dupe you into buying the same list at other membership sites they own under different names. Naturally, these sites also have an incentive to exaggerate how much you'll earn from online paid surveys.
About that money: Survey companies typically don’t pay you for each and every survey—you have to meet a payout amount to earn your reward. Page says it took her months to reach the $30 payout on one survey site—time she could have easily spent on more lucrative side hustles. This presents a problem if you need money fast or if you decide to change course and try something else—you might end up answering tons of questions and never actually see that money.
After you sign up, you’ll receive surveys on various topics and products via email. Once you complete these surveys and build up a stash of points, you can redeem them for cash via PayPal, purchases made through Amazon.com, or gift cards to various retailers. As an alternate suggestion, you can even redeem your rewards as a donation to the Red Cross.
Companies, brands, and organizations from around the globe are constantly seeking the opinions of people just like you to help shape the products they develop and how they market them. They count on paid online surveys to provide them with reliable information. If you spend time online and enjoy giving your opinion, paid surveys are a great way to earn a little extra cash while helping these companies.