As a retired owner of garage door company, I offer this advice.
Put a 14' tall by at least 12' wide door in any pole barn you in which you will store an RV. If you ever move up to a bigger unit the cost to do that now will be considerably less than it will be later.
2001 Ford F-350 Super Duty CC Dually, 7.3 Diesel
2013 832IKBS Flagstaff Classic Ultra Lite, Hensley Arrow Hitch, Carlisle tires
2016 days camped....211, it ain't over yet!
On the road to ALASKA May 6, home Sept. 13, 2016. 23 states, 3 Canadian Provinces, up to the Arctic Circle, 17,300 miles, 131 days on the road. 1 flat tire, 4 oil changes. What a beautiful trip!