2400? dood, they got you bad, no way it should cost that much 1/2" 2 path air kit, 1000, cylinders 89 a corner, brackets, i think about 400 for all the corners, you doing the math here? "flea market" offers are about all you will get. heres some questions to the parts you should have included: what size psi switch do you run? what size solenoids? what size hose? what kind of fittings? what kind of guage(s)?