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How about this:
At the apartments I recently moved out of, there were no quarter slots on the washing machines. They were an app that required a bluetooth connection to pay.
So if you lived there and didn’t have a smartphone? Go fuck yourself, you don’t get to do laundry.
Unless you bothered to check the laundry room when you were looking at the apartment, you wouldn’t know. No warnings.
This person has never seen the power bill for running a high-availability server with several failovers once in their lives.