(Image: Getty) You’ve received a gift card as a present that you can’t use and can’t return, or maybe there’s a specific gift card you want to buy but can’t find. Either way, you can turn to the web. Certain websites allow you to buy, sell, and swap gift cards. You can even purchase specific gift cards at a discount. Here's how to get started. Buy a Gift Card on CardCash The CardCash homepage offers a few different ways to dive in. At the top, type and select the name of a specific store or retailer, enter the amount for the card you want, and then click the Search button. You can also scroll through a list of retailers and brands, select the one you need, enter the card amount, and then click the