(1)These are points that should help avoid 'scams'
Avoid sites claiming urealistic income possibilities and don't be taken in by screenshots of earnings.
(2)Check contact details of the website, eg. e-mail address, and phone number. A physical address adds credibility. E-mail or phone the company, stating your interest, ahen wait for a reply.
(3) Type the name of the site in google, if people have been cheated, they are very quick to broadcast the fact.
(4) Check in forums for 'true' information, not sales jargon.
(5) Look up domain name and registration details.
(6) Check with Better Business Bureau, US small Business , About.com business resources.