Just like you have a gas pump in your back yard… even gas stations need electricity to pump your gas as well internet to run payment system…
Many Tesla & EV owners refuel from either a wall charger in their garage / driveway & some even direct from solar & when going slow off road trailing, you are hardly draining battery as compared to high speed highway driving.
In PA I can find plenty of areas to go offraod and are well within my home or super charger location of a 300 mile radius if needing a charge up.
If at a super charger, no direct payment required it bills you later when phone is on WiFi or cell if internet is out while charging, so just plug n play.