I use a cover every winter.
I was hesitant at first because I tried one on our prior RV and one January windstorm ripped it completely off.
One the Axis it fits well and doesn't flap much.
Our storage lot looks like a swamp after it rains which means the straps often get frozen to the ground (which actually helps LOL). The current one came with a weighted bag you hook to the straps to make it easier getting them under the coach (just throw the weight under the coach and walk around).
At this point I can put it on and take it off by myself (although it is easier if I have a helper--they're mostly there to call 911 if I fall off the roof