$200 on the roasters. $75 on burners that allows you to cook more than just coffee https://www.amazon.com/Propane-Pressure-UPGRADED-Adjustable-Regulator/dp/B01KGKFPM6/ref=sr_1_19?dchild=1&keywords=propane+burner&qid=1603312867&sr=8-19 $50 to fill propane tank.

1200g solution.

https://www.reddit.com/r/roasting/comments/ilco5p/100_generic_chinese_drum_roaster_used_over_fire/