My wife and I have worked there for days at a time using our Verizon phones as hotspots WITHOUT even setting up our booster. But beware: It depends upon where you setup. We have scoped multiple sites there and some have ZERO bars and some get 3 bars. So in that sense, everyone's feedback here is correct. Some locations work and some do not.

I honestly don’t think so. It’s a very remote area.

Yes. There’s a Verizon tower about 15 miles away towards the south.