Depends. The margins on computers are usually less than 10%, do the only way to make a lot of money is to either build and sell hundreds of computers OR get people who know nothing about computers to overpay. I suspect your friend managed #2.

The best way to make money online is by learning affiliation marketing. Here you can find a lot of useful information to start making money from today http://moneyonline.toptips.org

It's everything free! I have been doing that method and I am earning good money now.

Good luck!

It depends on the age. Specifications, selling it bit by bit can be a challenge so I suggest you to sell it whole. Make sure you clean the computer and check on the buyers opinions.

Hey there,

On this site http://www.goobypls.com/r/rd.asp?gid=555 you can find real companies and networks that are willing to pay you to know your opinion about their products.

I'm making a few hundreds dollars a month with this system. It's not a life changing extra income but it's still worth it. I can pay my bills and my beers with it.

Regards

I think it will be depends on your system configuration.

agree with "ryan"

I need money and I want to build custom computers, my friend made quite a bit by doing this and I want to learn how to build pcs and give it a go myself. How much would you be able to sell a computer which cost about ￡400-￡500 to build?