If you love iced coffee but don't want the caffeine, order an iced decafamericano. (My favorite's a venti with nonfat milk and three pumps classic sweetener--half the sweetener normally used.)
Use your registered Starbucks gift card and get money off of your specialty drinks. I got 70 cents off of a grande Cinnamon Dolche Latte. This works with anything thar requires syrup.