HOWTO equip your drug-dealing operation

in the 90s, I had a roommate that would routinely go to Walgreens to buy sandwich bags and baby laxative… and nothing else. add to that, we lived in a conservative region and he was this giant black dude with cornrows and hip hop gear. no fucks given. I was like
DUDE.
WHAT.
ARE.
YOU.
DOING!?