Honestly your good for a few hours, as long as its still a good battery. If you are still concerned about it you should think about adding a second battery with a isolator switch. Some of the Ford E350's had a secondary batteries on the frame which I put on a isolated switch. Doing this allows...
A good roof top takes a LOT of power, which is what ONAN QD's are great for, but they are $$$. The 5500 onan struggles to power the coleman roof top, 5500=5.5kw, so even a smaller generator might make you regret not going all out.
I agree with the 2 axle alignment, most trucks from the dealer are not ever aligned, at least the rear isn't. A rotation on a heavy/medium truck will never solve anything since you cannot rotate from the rear to the front.
First off, its in the Detroit location... Inside job? second how long did you park it there - a LONG TIME... Last, how hard would it be to get into the parking lot w/ customers always breaking the locks... I would feel lucky some newbie truck driver didnt plow into it like the rest of the...