Our 1997 32wfs holiday rambler TT was all of that in your wish list as well as nearly flawless of build in the 12 years we had it and about 70000 mi on the road.
Our 2009 Carriage Cameo 35fd3 5er of now 14 years and counting is serving us well with over 60000 miles on it.
Yes we have replaced some appliances. cheap by thought of trading and by removing the faded graphics Noone knows its more than 10 years old
There are units built to be as flawless and waranteed as you wish
It's the Rolls Royce over any other discussion