I found that the heavy diesel eats up a lot of your payload capacity. Just an FYI you might think of. I upgraded to buying a 3500 instead of a 2500 for that reason.
2015 Jayco 27DSRL
2016 Little Guy CIRRUS 800 Truck Camper
2015 GMC SLT 3500 Duramax Crew Cab, SRW