You don't need a beefy machine for a home server or a network-attached storage device (NAS). Old PCs are a great starting point for building your own NAS, and they can also play the role of a ...

When it comes time to get a new Mac, you have three options: Trade in your old Mac, sell it, or hold onto it. Macs tend to maintain a good amount of value but some Macs are more in demand than others.