Being here at pop up central, perhaps you can shine a light on this. We finally pulled the trigger on our ntu pup and stayed at the small end of the range, a standard 10' box to pull with our miniV. Seems like SO many pups are 10' plus a storage box or 12' and then some. I truly fretted getting one on the smaller side since so many people talk up "get it as large as you can pull/store, etc." So now I'm trying to find a site/reservation and I see this 30' rule. My miniV, a hitch and the pup will be 31' or there about. I'm almost certain that when camping as a kid our 10' box and station wagon (or big boat of a sedan) wouldn't have been any shorter. Knowing how many larger pups are out there, I'm a bit dumbfounded that they have a 30' rule. Where do you guys camp at with your moderately larger pups? Yellowstone only has what I think are a small number of sites for 40'ers. So am I likely to get kicked out? Do they really measure you up or is it just a "keep it in your site" kind of rule?