Finances are obviously a concern, so the shortest route between 2 points is what you want. Get down to I 70 and don't get off until you reach your destination.
You're talking a 4 day drive, reasonably. Don't be freaked out about that. Same as 4 one day drives, but in a different stretch of road. Look at the weather and decide if you can run your water or need to keep the camper relatively dry. It's not middle of winter in mass. Use your tanks as needed and throw in a little rv antifreeze or windshield washer juice.
If you get some freak snow storm, who cares. You have your house behind you. Pull over and hang out if not comfortable driving in it. It's the first week of Nov. snow doesn't stay around long if at all.
Don't wast money on full service campgrounds. Park in free spots. Wally World, cabelas, truck stops. Shower in truck stops if you keep the camper winterized.
Your 3 biggest challenges aren't what you perceive them as by your first post, IMO.
I see....
1. Make sure your vehicle and camper are up for the road trip. Easier to take care of that before you leave than stuck on the road. Find a friend who knows cars, mechainc, whatever. You can deal with not using all the campers features. You can't deal with a wheel falling off in Ohio...
2. Concentrate on saving money, not full service pull thru rv parks. I'd be on ramen noodles and pasta meals in the camper in a rest area, not settimg up camp in a campground and bbqing.
3. Figure out how you're going to operate the camper in CO in the winter now before you leave. This will be a big consideration about 60 days from now in CO and will help you prepare to be self contained for the road trip. (Insulation, heat tape, secondary heat source, etc)
Good luck in your journey!