Best way to do it is to only sell to one person who then distributes it and deals with all the nickel and dimers. You won't make as much money BUT you won't have to deal with the hassle and it reduces your risk down to the bare minimum.
Always consider consequence VS reward, it's one thing to grow for yourself, but then you get into distribution and that's a whole other animal with BIG consequences.
All I can ever find here is chron and it's always $45-50 for a single, $150 half, and $300 an O, but it's always the goods. Nobody would ever sell a gram here, it'd be a waste of time. =)