It's inevitable that, at some point, you'll have to replace old computer parts and swap them out for new ones. This might be a result of a particular component breaking or because you want to upgrade ...

Ah, the Sinclair ZX Spectrum. A popular computer in Britain and beyond, but now rather thin on the ground. If you can’t find one, fear not, for now—you can apparently build a new one with new parts!

Buying PC components at a store like Best Buy or Micro Center is easy. You pick what you want and take it to the register. You'll usually have the option to purchase a warranty, or at least to take ...