..GVW of 18,000# on the 5er means up to 3600# of pin weight...That's a heavy 5er...With your family, full fuel tank, add a 5er hitch and you're pushing the limits of a 1 ton SRW truck, unless someone knows where you can get one that will handle the weight you want to tow for the amount of money you want to put into a TV...I would look at a dually for that amount of weight. My dually is my daily driver, but I have to have it to tow my 5er with. There are those who will not worry about the numbers, but if you load up the truck with family and an 18,000# 5er, you would be better served to look at a dually or purchase a lighter 5er...It's amazing how much the weight add's up when packing up an rv....even for just a weekend, and when you say, "tail gate", as in football games, unless I'm misunderstanding, I would think you would pack even more...it adds up fast..