I have a few vending machines and I could use some extra cash but I don’t know where to take them and put them to work… how can I find out where they would be needing any?

I own a large medical building that is very busy as it houses a pharmacy, physiotherapy centre, multiple doctor’s offices among other amenities. (But no vending machines.) I figure I can make a decent profit just off one large machine selling snacks or bottled drinks. The problem is I don’t know where to start. Do [...]