Before you start building your PC, you will need to take a look at the different components that are compatible. The best way to do this is by looking at the motherboard’s/CPU’s compatibility list. You can find this information on the manufacturer’s site or on review sites like Toms Hardware. If you have a low budget and are trying to build a cheaper gaming computer, then it might be worth buying a pre-built computer instead of building one from scratch. But, if you want to save money in the long run, then it’s worth building your own computer that fits your needs.