Earlier quoted context omitted.
You're making a lot of assumptions about how they will run the stores. Other people have already mentioned how the government runs the alcohol stores and (IMHO) they do a pretty good job of it. I live in Texas now and when I go back to Ontario to visit my family, it does seem weird that I can't buy beer in a 7-11 or a grocery store or in a drive through shop (not sure these are a good idea). Being the sole seller als…
> Being the sole seller also means that they can negotiate ruthlessly and drive prices down to maximize profit for the people of Ontario. Being the sole seller also means they have a monopoly. It's much easier to run a monopoly profitably by charging high prices than by negotiating low prices. Even if they do negotiate low prices, what incentive is there to pass the savings on to the customer?
I mentioned this in another comment, but for alcohol there are a lot of external costs associated with consumption. It makes sense to try include some of those costs.
I have no idea how they will price marijuana.