I did it in one coat, and still had some to spare. It’s been pretty easy to apply, and although I have some small runs, I just left them because they’re pretty hard to see and I’m more of a utilitarian with the truck (just like the finish and no fingerprints).
A couple weeks ago I put ProtectaClear on mine, and so far it's been really good! I spent several hours prepping the metal to get the tea-staining off of it, but only because I was hoping for a moderately uniform look. Cleaning it up didn't make it go any faster ;) but it's a lot easier to clean...
I use BookPlayer on my iPhone, lets me upload audiobook formats to my phone (m4a, m4b, and a lot others), and then I just pair my phone to the truck via Bluetooth. Does a great job and also does a good job keeping your place, so that may be an option for you!
I've been pouring over the forums this morning for about an hour trying to see if there has been a post about the best way to conserve energy while camping (and not using the truck). My family and I have a trip coming up in the next couple weeks that is going to be a bit far from any charging...