All of this sounds doable. I've only driven / camped in the snow one time. The biggest issue is snow on the road and falling snow. It's one thing to drive a small car with chains through the snow, it's a whole other level to drive a heavy and large motorhome through the snow. It doesn't stop as quickly and the roads are narrower because of the snow banks. But I only did it one time (vowed to not do it again). With experience, maybe you'll become a pro.
Winter camping is definitely harder on your coach. Be sure to spray it down and especially underneath every time you come home. That may be a little difficult, however when it's 20 degrees when you arrive home. Your alternative is to live with the salt / sand mixture eating away at your chassis and slide components. Maybe someone locally can do an undercoating treatment for your coach like they do for cars.
Here's a great video by Gone with the Wynns to help inspire you:
http://www.gonewiththewynns.com/winterize-rv