Well let me see, HF rock tumbler was 67.00 $, scrap wood to make sizing screens 0$. The screens bought off of Amazon 40$ about. I already own a hydraulic 20 ton press so 0$. à lot of other things can be used to compress it. A floor jack and a heavy truck would work. The most expensive thing was the puck I bought to put the powder in to press it. About 150$ I guess. Alot of other things can be used as a puck but i chose to buy one. So for about 250$ I break even on one BP mail order. And I can make an unlimited amount. I hope this helps.