How to improve the drinks vending machine the profits of a month?

In many apartment building will have a swimming pool or the clubhouse, the public areas are good places to drink vending machine, because many people can see them here! But remember, in the vending machine sales need sufficient enough to maintain your property service! The current hotel is a one of the most able to make money the vending machine on the scene, many operators have like the vending machine on the inside! The nature of the hotel makes guests ideal vending machine, because the residents generally have no way to easily obtain needed goods, and the emergence of the vending machine just the pain points can be solved! Factory for the manufacturing premises, such location basically every day dozens or even hundreds of people there, this is the vending machine for round-the-clock service put good place! Most of the workers like to drink a beverage during the workday, here on the bento vending machine is a very good choice! Most retail workers are part-time employees, which means that they normally only for a short rest, without a long lunch break. The vending machine is a good choice in this case, let the staff don't spend more time to go to other places to eat! If will drink vending machine into such a position, still use to worry about improve the profits of beverage vending machine?