a previous thread about the very subject you're asking about. Take note of the pics I posted about our experience with our MH cover. We also had 2 paint rubs on the back, rear compartment door edges (corners) on each side the coach (didn't take pics of those) where we didn't get the cover cinched enough & the wind whipped those edges around. We did a bit better this past winter, as we faced the coach into the winds (faced it west), having the front smooth & tight & any slack gathered at the back (east) - away from the winds. That first year, we had the back end facing west & what slack we had in the fabric back there whipped around too much - rubbing those back bottom corners. If you do decide to go with a cover, be sure you get one that's breathable so ya don't discover mold growing under it when ya take it off in the Spring.
BTW, welcome to iRV2. Since you're from SW PA, check out the campouts in the North Central & Pond Piggie Forums here. We're pretty much done for the season, but we'll be posting our whereabouts when we get closer to Spring. We're always up for new folks to join in.