My neighbor is phone freak and few years ago, when we had long ride together he was using his android for
-GPS
-streaming youtube
-phone conversation
-taking video
All at the same time, what required car power hookup as android battery was dropping down in minutes.
Fact is that after few minutes of all those functions - neighbor had to stick the android under AC vent as it was too hot to hold in hand.
But he is paying like $70 a month and still has pretty limited data on tethering.
My cell cost me $7 a month and I am happy with the plan.
If I can get hotspot for full year for $100, I can deal with occasional lack of service when I camp in the woods.
Over the years I learn how to use McDonald and Starbucks Hotspots as well.