Dually's don't fit everybody... There are other options.... BUT,,,, for a big heavy 5th wheel,,, I agree,,, a dually is the way to go... I drive 60-80K lbs 5 days a week,, so I understand....
Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS