Bob,
It looks like you're buying from Sewell Hummer.
Is that right?
I'm guessing by the sticker on the windshield- Sewell has that PREOWN sticker on all their inventory.
I've owned my rig for 1.5 years now & I still love it like it's brand new.
If it's Sewell- they are very reputable. Feel confident they will do you right.