Buy a double bull ! case closed...
almost 10 years of evolution making my own till I found these !
set up in 1:00 minute with practice, you can do anyting you want once inside.
A nice chair, video camera w/tripod, heater, food, ect. I bow hunt only so I pick a spot & stay there for 12/24 hours. They only weight 6 lbs & carry well over your shoulder.