I've been to several places in the Great Plains where I didn't have any cell service at all for long periods of time. In the grand scheme of things, $100 isn't that much money these days.
I got the same email. I do know that cars I've owned before that had built-in GPS & mapping did require regular updates to the map database. It used to be done via CD; not sure how it's done now.
One of the draws of apps such as Waze, Apple Maps, etc., is that you don't have to worry about...
What does the sticker on the bed say? It looks like it's "GLADIATOR," but I can't tell for sure. Also, did you put a leveling kit on your truck? It looks great!
My opinion is strictly that: an opinion. It's based on many thousands of miles pulling my TT with my JTR.
Having said that, I personally would be uncomfortable pulling something that heavy, long, and tall (the specs show it to be 26' 1" stem to stern and >10' tall) with the JT. I tow my TT with...
AMEN, BROTHER! Been there, done that. I went up to the Great Plains (pulling a trailer) two years ago and several times found myself desperate to find a gas station. They are, as you noted, few and far between. It became our rule to fill up whenever we saw one.