"It may be $8. On October 20th, patients and press will be there. The deal is: 1 g = 1 CANN, up to 3g each time. What are people going to do?"

Buy 3 coins, so they can get 3g of herb.

What is the maximum amount of patient can buy in any one month? 

Because, has no one worked out how much buy support it will take to get back to 15k?  A ton of BTC. If it break 15k again, it will get interesting.