Trade-in Through Best Buy Depending on what model computer you have, it might be worth checking to see if you can trade your old computer in through a retail program like Best Buy offers.

Is your old PC a security risk? Find out how to protect it or give it a new life with Linux, turning it into a media server or backup station.

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.