Some really good suggestions/advice. I would look into a core buyer. I have a guy locally that pays 2 dollars each for any rotor. As for drums he pays 2.75. Of corse batt and cats would go to core buyer too. U might end up with some starters/alternators every now and then. My core guy gives me 6 for alts and 5 for starters. It might not work out for u, but do check in with a core buyer around ur area. They also usually buy whole trannys and some times motors. Alum heads too. All stuff they buy as cores is more than the scrap yard pays
Good luck and keep us posted