And yes, you can use Raise to sell Amazon gift cards for cash. They have kiosks in wide range of grocery stores. If you aren't going to use your gift card you are better off selling it, incase you never use it and lose it all. Now available on the App Store. Another very popular online website for people looking to sell gift cards for cash. Everything from Home Depot to Southwest Airlines is available. Go to this page to find a coinstar exchange kiosk near you. Looking to sell a gift card (or gift cards) you're not likely to use? This can save you time if the site allows it. A fast, easy, and secure gift card exchange to trade unwanted gift cards for cash.