Originally Posted by
Biernot
The problem with this sort of thing is warranty.
When a computer store builds your pc from your parts, you (should) have a contract with them. So in case something goes wrong, they can be held accountable.
When you just let some stranger do it, and he makes a mistake, you have a problem.
So, if you still want to earn a little cash, make sure to have simple contract with your customers, that specifically states that you won't be responsible for damaged parts or lost data.