It depends what you want if you buy a car from a auction you will most lightly get it cheaper. But it proably cheaper to buy one!
Buy a new one, they are so inexpensive right now that it would not make sense to build one, however, if you want to spec it out with special features, then build it because then it is cheaper.
cheaper to re build but may not last as long
try this site for some info http://ask.metafilter.com/27212/Is-it-cheaper-to-buy-a-house-or-build-one-from-scratch
yes you can but it would be cheaper just to get another one.
you build them or buy one someone else used to race.
Well to be honest it's both worth building a repo unit because you can buy one cheaper than you can build it. Companies now construct these units do fast that a brand new unit is only about $2,400 !! That's cheaper than you can buy all the material & build it!
You could make one I suppose but, it would sooo much cheaper just to buy one.
A new 2013 Chevy Caprice is sold for $31402. You can buy a cheaper one when you buy a used car. However, you must check carefully before you buy a used one.
It depends entirely on the brand. Sometimes it's cheaper to buy a new razor and sometimes its cheaper to buy replaceable. If you have gillete, buy a new one.
It is not impossible as long as you have the right tools, supplies and finance. However, it might be cheaper and less tiring to purchase one from an auto dealer.
If you will trade an expensive car for a cheaper one, make sure that the cheaper car is in good condition and the trader of the expensive car should pay exact amount of money for the expensive car.
Desktop is way cheaper.