Here are my answers to the questions.
1. YES, If you have one Coach you have less problems. Usually you have one Coach & parent, then another coach joins half way threw and one behind the Table. Then you have kids on the mat and Mom's Video taping. ONE COACH ONLY, NOBODY ELSE!
2. YES, Years ago they didn't have the numbers know they do.
3. NO, Too confusing
4. NO, You would have to have Weigh in's on Friday and then Bracket or have two to three hours between weigh in and Start time.
5. YES, I think it would be nice if they stay on the Mat a little longer. Wrestling now has become all about takedowns. Let the little one's learn some moves.