What do you get the person who has everything? How about a gift card or a gift certificate? Well, what if you buy them a card at a store they don`t shop at? It`s very simple - they can go to www.CertificateSwap.com. This website is designed to be a marketplace for buying, selling or exchanging gift certificates. Here`s how it works - go online and offer your unwanted or unused gift card at a discounted price. The buyer then pays the website, which hangs on to the money until the buyer has received the card. It`s an easy way to get some use out of an unwanted gift card.