You could be handing over sensitive information. Even if you think you deleted everything on it, your old computer may hold lots of personal items you don’t want anyone seeing.

Break Up With Your Old Tech. CNET Survey Finds 31% of US Adults Are Missing Out on Money by Hoarding Unused Devices Even if you can't score extra cash, your gadget's materials can be reused.

If you've upgraded your computer monitor and now have a spare lying around the house, don't just throw it out. There are plenty of ways to keep using it.