So far I have spent:
on the rear:
125 - axles
70 - NEW drums
30 - NEW gear oil, gasket, etc
on the front:
75 - 2001 gt calipers
150 - spindles, hubs, NEW rotors
then you can count on 50-150 for NEW pads, brake lines if you need them, etc. It's not cheap but it is possible on a budget if you...