Depending on geographic location, BHO runs retail from $25-100/g
From somebody who has smoked it all before, I'd recommend "solvent LESS" vs. solvent based or even solvent FREE (solvent free was made with solvents in turned purified to become solvent free - solvent LESS starts out and finishes...
Generally, we toss it out after one use because we use a 20 ton press...we use their "prefolded" 35# Silicone+ that is long so we squish and then move the paper down some, squish some more. If that makes any sense...lol
The only thing reusable is PTFE (Teflon) which they have too but I believe...