Heh so he owns the room.
you are the brains.
you both pay 50/50 for equipment.
down the track the system is in place, the gear is in his house, and you are redundant.
goodbye !
ps by you selling the stuff you are taking a major risk, plus i would assume being a pro drug dealer means dealing with assholes in the middle of the night trying to score, and people willing to rip you off for a free hit/cash.
you would be mad to do it IMO