I would suggest finding a economical apartment. Your going to spend a lot of $ for LP and electricity for space heaters. Very few campers are truly set up for winter camping. Though I can't speak for your unit, our Blue Ridge also has a insulated underbelly which I don't really think it's does much. The insulation is only R7, which is nothing for Colorado standards, and it just lays on the underbelly. That leaves the frame unprotected which will allow the cold to migrate thru the floor.
I would expect that you may still run into freezing pipes once you get below freezing. You'd be surprised how unprotected the water lines in a camper are. Due to a tire blow out I found that I had water lines running above the wheel well only separated from the elements by a thin piece of plywood. Some of my pipes would surely freeze.
Are your tanks heated? If not I you may run into some major issues specially with the black tanks.
But on the other hand , there's probably plenty of people that do it and have few troubles. Maybe add some insulation, add a skirt around the outside, use some heat tape on the water lines and all may be well.
Good luck with whatever you decide!!
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2012 F350 DRW 6.7 PSD
Blue Ridge 3710 BH