15% sometimes 20% on National Car Rental,
Free membership in National Car Rental Emerald Isle Club $50 value. I got a Mitsu Montero Sports (SUV) for the price of a intermediate.
Discount on Annual passes.
Discount on Rooms/food.
Discount at DQ, DD and DS
Quarterly Disney Magazine with more discount coupons.
Free membership in Entertainment Card. You can get an entertainment card when you join the Disney Club. It has an entertainment card icon on the back of the disney card itself. You can use it for discounts on rooms Swan/dolphin $129/nite and food. Lots of restaurants coupon on (i.e. buy one entre get secoond free up to $25 off)
site. Put in zip code 34747 for those around WDW.
Every little bit helps.