Mind you, first, that these stores will, almost by rule, operate solely on a cash basis. That is because, whatever individual states do, it remains a federal offense, and thus no bank will make any arrangements with any recreational marijuana business, and will not facilitate credit cards.
And, most important, where would you, if you wanted to open a store to sell marijuana, place one? If that was me, which it is not, and my only goal was to create a sucessfull and viable store, I'd go for the local high school vicinity.
To that end, here are some of the products that would be highlighted at the store - on the counter, on the shelves, perhaps in the window:
