After camping this weekend on a not very level site, and unable to put a slight left lean on the MH to keep the drip away from the entrance door, we are definitely going to put some sort of gutter or drip rail on at least from the awning over the door area. I was looking at this:
https://www.amazon.com/Trim-Lok-Drip...W3EKV9KER088FK
before we left and may pull the trigger on it this week.