I don't understand why someone would say that about tryouts. Why would you not attend multiple tryouts. Supposed you tryout for one team and not multiple tryouts and your daughter doesn't make that one team. You're screwed unless you actually want to call up a team and say "hey I tried for M&D but didn't make it - you were an afterthought - but since I didn't make it can I now come to your team. That's preposturous. People on that 22 board are nuts.

Go to as many tryouts as you see fit. Especially since you're going to spend $1,800 - $2,300 depending on where you land