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.
In addition to filling out online surveys for money, you can get rewarded for other actions, too. Some of the best paid survey sites are ones that offer lots of ways to make extra money other than earning money for surveys you take! The most popular websites maintain their following not only by offering various types of incentives but also by providing plenty of different and engaging ways for members to earn money. The purpose of these offers is to turn you into a loyal and active member of their community.
If you are looking for highest paying surveys, then you must join Harris Poll Online survey panel. Harris Poll Online is a well known market research company and has been in business for more than 50 years. Once you join Harris Poll Online you will have opportunity to participate in paid online surveys, focus group studies and paid product testing opportunities.