Having a large-enough meeting room, good security so that folks can feel comfortable leaving a half-million dollars worth of Ricks lying about overnight, and enough folks detailed to provide basic refreshments, photo-taking opps, and other logistics,and some amps for people to plug up with, are the basic necessities. Lots of little things can get you, like forgetting to have people bring a WHOLE lot of extra stands so that those who did not bring stands are covered.
Methinks John did much more than he is taking credit for...for example, how he arranged for that stunning cool sunny dry weekend with the weather folks is beyond me

