Tablet buying tips:

• • Screen size - When choosing size, consider your intended use of the device as well as portability and battery life.
• • Screen performance - Choose a display that best matches the intended use of your new tablet.
• • Accessories - Replacing these can be expensive, make sure your used tablet comes with most of the original accessories.
• • For Android tablets - Pay attention to which version of Android the device you're bidding on uses.