I do not know if you have been watching forums for long. I do not know specifics about your unit.
Something that applies to all campers is water leaks. There is no such thing as a small leak.
Tire age and condition.
Electrical operation, 120 and 12 volt systems.
2017 F350 Lariat Diesel Dually, White, Hitch Kit.
2013 Dutchman Voltage 3200 Epic II 5th wheel.