This is likely an issue a home inspector should catch. Some previous homeowner went rogue diy mode and tried to make living space out of an attic that was designed to vent in order to preserve the structural integrity.
I'd pass on growing up there if you care about health. I'd also get the...
When I hot water bathed wax, post whip I would shut off heat and walk away. Next morning nice crumble would result. As noted by @doubletake patience grasshopper. ;)
Search "QWISO extraction"
Freeze the fuck outta the iso and the ground weed. Soak for 1-2 minutes in freezer, second minute is probably best counted as straining time. If you're going to fine filter it, do so after you get the bulk seperation done fast. ;)
At least 500 lights
Boxes should be off the gaylord variety, and doused in any flammable solvent of your choosing, one plant per box.
Yield, Something in the <=-0 range would be my guess.