Because of laws stating you have to professionally steam clean kitchens/floors at X intervals, this guy probably is doing a few dozen restaurants per month on a

Because of laws stating you have to professionally steam clean kitchens/floors at X intervals, this guy probably is doing a few dozen restaurants per month on a weekly basis not the same one every night. Normal non grease/kitchen specialist cleaning is ten cents per sq.ft per month or so for cleaners so even cheaper than having your own employees do it, with liability protection.