Flipsy.com is a quick and easy way for consumers to find the estimated value of and get top dollar for their used iPhones, iPads, Macs,video game consoles and books. The service offers instant comparisons of buy back offers from multiple vendors, lets customers sign up for price alerts and provides comparisons of trade-in values versus private party sale values. Users can sell used devices to vendors or name their own prices in the Flipsy.com marketplace.