When you say a lot how much do you mean 5 pounds, 20 pounds, 100 pounds? Rosin Bags = cleaner product but you lose some rosin stuck to the bags. You can do a long QWET wash to clean the rosin bags then winterize and filter with CarbonX for an excellent end product. To recover the rosin stuck to the bags. I don't mind a tiny bit of veg material in my rosin because I make chocolate meds with it.
I know you are handy with tools so think about a 20 ton H frame press and 20 ton pneumatic jack with Dab Press 3x7 caged plates would make a nice rig. With the proper pre-press ~ 2x5x4 (I don't know if metal is available in these dimensions. I will check.) should be able to press 1 oz at a time. Maybe a 3 minute press on the first run should be able to do a pound an hour.