Yea, selling will not fly. Best is to trade less than an ounce for stuff. To do something legal other than getting a permit which cost 100k to 1M and has conditions which 99% of people can't meet...is to form a collective for medical use. As long as you have a Dr. note the collective can give you cannabis with your donation to the collective so they can grow for patience. I think it's 99 plants per collective. I haven't looked into it lately but I think this is how it still works.
RE: A Cannabis Farmers Market