CC Validity Checking Method] 1, Goto Famous https://www.plumbingsupply.com/ 2. Select any item and put quantity of product want to purchase. 3.Type fake Contact Information. 4.Type your credit card information 5.type billing address as credit card holder's info. 6.Select credit card type. 7. Click on "Continue with order" 8.Next step if card is valid, it going to get shipping address page, if card is dead then system will notifying you.