According to our reader, the basic unit of sale for heroin is through increments of a tenth of a gram. Thus, .1 gram is sold for $10, .2 of a gram is sold for $20. $50 will get a user .5 or half a gram, and a full gram is sold for $100.
However, due to competition amongst the areas drug dealers, the actual price of heroin sold varies depending on how good the product is and whether the dealer and the customer has a previous relationship. In terms of actual amount, a half gram can actually hold only .35 to .5, with the bag being sold for $45 to $60 depending on the quality of the heroin.
The same price variation occurs when dealing in full grams. The actual price of a gram of heroin sold in the DC region can vary between $80 to $120.
Source: User submitted information, received on April 6, 2014.