Another 38FL owner here. We have had ours for 2 years now. No problems with unit after the issues that needed correcting at the time we did our 1st shakedown run. we have probably 6k traveled miles with no issues at all. As far as moving around the bed, We dont have any problem at all with that. Plenty of room everywhere and very comfortable to be in if caught by bad weather. If you are looking at one, Make sure it has the second AC. Yes Dealers order them with only 1, Also you cant beat the residential fridge in it.
Happy Hunting