incredible dollars are supposedly known scammers
From Rabbits Reviews (talking about Incredible Dollars)
"Update 11/12/2008: We have decided to no longer do business with the company behind this website. This page will be left for users to provide their comments."
Scam report about Incredible Dollars
http://www.gfy.com/it/867661-read-thread-scam-reports-incredible-dollars.html
just google them, or do search on gfy and you'll see