I guess for most of us computer geeks and geeklings, the truthful answer to that question is "because we like to," or "because it's fun." But there are
actually quite a few other advantages to building your own computer. For example:
You can build your computer exactly how you want it, as best fits your computing needs. When you build your own computer, it truly is a "personal"
computer. Building a PC is an educationally rewarding experience that can enrich a person's knowledge of and appreciation for applied math, electronics, and physics. Sometimes a homebuilt computer can be less expensive than a comparably equipped store-bought computer, especially if you start with a barebones computer kit. Building computers is an enjoyable hobby with the potential to lead to a career. In fact, many IT professionals got their start by building their own computers.