And live in a new unit and not a ratty apartment with sketchy neighbors.
Heh. I'm not sure most RV parks are a great step above apartments when it comes to sketchy neighbors.
You haven't said where you are in Colorado, but we're fulltimers and have spent a few winters in Denver over the years, and one in Grand Junction. Denver definitely gets its share of nasty thunderstorms and high winds in the summer. One hailstorm resulted in oval marks all over the side of the RV, and I finally figured out it was the hail hitting sideways with the wind and scraping off oxidation.
We have a 40-foot motorhome and not a travel trailer, but have never skirted it. I think we've pushed the snow off the roof a few times, but we weren't near any trees and Denver's sun shovel would usually take care of things after a few days.
Our motorhome has enormous windows, and the sun makes a world of difference in the winter. (It also makes it hotter than **** in the summer.) There were times when the outside temperature was in the 40s but I had to open a window because it was too hot inside. But the second the sun went down, brrrrrr.
We didn't have to pay for electricity, and would primarily use space heaters, using the propane furnace only when a couple of space heaters wouldn't do the trick. The last few times we've stayed in Denver, our electricity was access to two separately breakered 20-amp outlets--where there's a will, there's a way.
Does your trailer have a propane refrigerator? If so, I'd suggest covering about 2/3 of the outside vent when temperatures get to the mid or low teens, and if it's going to be approaching zero degrees, put an incandescent bulb in there. We had our refrigerator stop working in the Chicago area twice, and finally figured out it was because it was too cold outside. Haven't had it happen since then, taking these measures. Or maybe it wouldn't have happened even without these measures. I don't want to find out.
One nice thing about being in Denver in the winter was that condensation wasn't all that bad, but we have dual pane windows. The aluminum frames do ice up on the inside. But we don't crack a vent or open a window when showering, and the only real condensating that happens is on the windshield. I compare that to winters in the Pacific Northwest--the condensation was unreal. There's moss on the sides of RVs, and I saw actual sprouts at the bottom of some people's windows.