Scams are everywhere on the internet. So it is up to us to empower ourselves to avoid being a victim to these scams. Before you join any programs, it is wise to conduct some research on the program. Same goes for buying any products online. It is always helpful to get the experience of the members of the program or genuine reviews of products before you actually purchase them. Here are some sites which you can check for scams:
Snopes
Internet Based Moms
http://www.symantec.com/home_homeoffice/products/overview.jsp?pcid=is&pvid=nav2006
Security Research
http://searchsecurity.techtarget.com/home/0,289692,sid14,00.html