An increasing number of people are becoming quite dependent on computers, for doing their work. Computers are used for office work, school work, as well as entertainment. However computers are not exactly cheap. So it’s quite common to find people who need computers, but are not able to afford them. You may be in such a position, where you need to buy a personal computer, but you neither have enough cash for it, nor the required credit. You may not want to buy a used computer, which is a wise decision because you may end up with a defective machine that would cost you a lot more in the long run.