I to have been to a lot of shows and even have boarded boats I have no finical ability to purchase. the boarding with salesman seems like a good option. The one 60 something Berterm I boarded I talked to the sales guy and didn't board it to window shop when there was a crowd and certainly would not get in the way of a real potential buyer. The no food, shoes and drinks are a given, anyone breaking that should be slapped. I treat every boat I board like I am the owner, because one day someone will own this one and I hope they would do the same for a boat I am about to purchase. I totally disagree with the credit check, I would never purchase a boat from a dealer that required that before I could board. I know what I can afford and it is my choice whom I give that info out. Imagine a car dealer that required a credit check to test drive....no way. An info sheet with : name, address etc. is a good idea to slow the onset of goof balls.
The no kids rule will weed out some good buyers too, and although I I am not a dealer it would seem eliminating any buyers is bad idea. What the intent is to eliminate the poor behavior for all age groups, tough thing to do with the large population of people behaving badly.