Then, including gas and hotel, that person spends another $400 or so on the trip, so he is made a $3,400 investment.</p><p>After returning to North Carolina, though, the dealer can sell that heroin for $10 to $20 a bindle, meaning a minimum profit of $6,600.</p><p>???Unfortunately for people that are addicted to heroin, there is always going to be a supply where there is a demand.