To catch a popular attraction go when most visitors are occupied with lunch and dinner or go during a special nightly event that u do not feel like seeing, the best is to go about 30 minutes before closing i got on Dinosaur without any wait, go on crazy rides after most have got food like tower of terror or just chill in a inside line to get cool, Those are the basic " I Been to WDW So many times i don't have to see a special again " rules