all kinds of favors, food, beer, rides, other drugs, paying off debts, basically anything that money can be traded for thats not from an actual business
seen a individual trade his social security card for 2 grams of some complete shit i had a nice laugh over that, 1 time i was heavily on benzos and traded my scale for pot and woke up like wtf wheres my scale haha
Back in da' 80's - traded 7 g's of (shimmering) Columbian Gold (one o the best then) for an antique one peice throwing
knife w/ an ivory (I know, bad) handle in leather belt sheath.