Let's see, $8 for a 100' PVC (icky but usable) hose from HF or $90 for a 100' 12ga extension cord?
Oops, HF isn't giving away their air hoses any more. They're up to $25 now. OK, $12 for the PVC jobbers at Northern Tool & Equip.
-- The human brain is unique in that it is the only container of which it can be said that the more you put into it, the more it will hold. -- Glenn Doman