How is going? Seems like machines continued fast growth during Covid... has it been a good year for the BATM owners?
I doubt people will release such data, because its critical for their business and they dont want to someone else copy their business.
Personally i think it either can yield big returns or just lossess.
Location/rent matters a lot, so in one location you can earn, in other one you can loose with same machine.
Its hard business.