And how'd you go about it if you're in an apartment? Lower a few extenders from your window?

It's an expensive problem to solve. Charging stations aren't cheap nor is getting an electrician to come out and run wiring and panels for a hundred cars even if it's just 120 then it eill take 8-12 hours for each car to charge.

I've lived in some places that have giant parking lots for the cars which means they have to dig it up to run wiring and create stations at each spot. That can reduce the amount of cars that can be parked which in some places would benillegal

For 2-3 miles of range an hour ? https://www.tesla.com/support/charging

Also not all renters have access to sockets. The last complex I rented at years ago had zero outlets in thier parking lot.