If you have always wanted to have a very high end computer for gaming or for other purposes but just cannot afford to buy one out right, you might want to consider building your own computer because this can not only cost a lot less but it can also be done in stages.
Start with the basics
You can either do this by buying the best computer tower and then buying all of the individual components separately or you can choose to buy a cheaper, lesser quality computer than you can upgrade one part at a time through time whenever you can afford it. Many people choose the latter. They buy a computer with lower specifications and then slowly buy a better processor, a better hard disk and such, possibly one part a month until their computer is extremely high end and they have their dream computer with dream specifications without having to buy it out right for a very high price.
Buying a power supply computer and building up a computer can be very much cheaper because the parts can be bought from the store individually for a lesser price. In many cases, big brands will buy the same parts that you are buying, build up the computer and then, add their brand or label and sell it for many times the price that it originally cost. Branded computers are not always a lot better than a non-branded computer.
This may not always be the case, but in most cases, you should be able to build up a non-branded computer than is just as good as the one you would buy in the store. The key is to buy branded components to make sure that the computer you are building is a good one. As an example, when buying a processor, you will want to buy an Intel processor which is the same processor that many big brands will buy. Therefore, the quality of the machine will be more or less the same. Before you embark on your project, it would be a good idea to invest some of your time in to doing research on the subject. You will need to analyze your exact needs and find out what specifications you need for the computer you are building according to your own needs rather than simply building a computer than is very much more than what you need. If your intention is gaming, you will want to do research on the type of computer, the specifications and the quality that you will need to play the game you play.