2019 Ram Towing Maximum Load

just how much is enough? I tow across the USA every year and several times when home. I have never had an issue anywhere from the Rockies to anywhere. Truck gets fair mileage and never complains. I use cruise most of the time and the air brake often other than that I have not seen a thing that would make me say " I think I'll go spend another 60 grand for another truck"