I posted a similar thread in the truckcamper forum, as my wife and I are not sure if we want a truck/camper rig or a toy hauler. We are getting close to retirement and thinking of travelling with our...
100% get a diesel. Spend some time reading posts here about weights and towing capacities. For a few bucks more get the 1-ton as well, getting a bigger rig with more capacity will give you options now and down the road. Otherwise you could be limited.