Flipsy offers a price history chart and a private party value, similar to Kelly Blue Book for cars.

Flipsy provides a useful online tool to help you figure out the value of your old device.

Flipsy will show the offers from different buyback companies; take one of them or... set a realistic price when selling online.

Finding the best price is all about doing some research. You can take a shortcut with an aggregation site like Flipsy.

Some sites, such as Flipsy, offer easy comparison of prices among several sites, some lesser-known.

We like Flipsy, a trade-in comparison site that will let you know where you'll get the most money for your item.