The AAA discount on dining and souveniers varies from place to place, but the typical discount is around 10%. As for the power pass, blackout dates exist and it doesn't give the benefits the either the preferred annual pass or premier annual pass have. Also, Universal has offered buy one year, get one year free on their preferred annual pass in the past. One strategy that families have used is to buy a preferred annual pass for one family member and then buy power passes for the rest.