You use the app and find a
You use the app and find a charger that is working, right where you need it. But, you may need to wait for the car(s) in front of you to finish their charge. Even if you only need a 30 minute charge, it may take over an hour to get it. There are more and more chargers, but more and more EVs. The turnover is not 5 minutes, as it is in a gas car.