Free EV charging is definitely a thing. If it's worth buying a miner, then it's definitely worth buying one with free electricity.

Free EV Charging Station Map | PlugShare

Looking for free locations to charge your electric vehicle? Use PlugShare's community sourced map of free EV charging stations to charge your elect...

Yeah and these free charging stations are not occupied 24/7 when even at the paid ones are often a long line... Wonder what will happen with your car if you park at a place like this 24/7 and others can't charge their cars.... This idea will never work.