Pay $5 and get a $10 Starbucks eGift Card at LivingSocial.
Description from website:
Fall's on the horizon–the perfect time to catch a stunning sunset, a football, and this offer from Starbucks: a $10 Starbucks Card eGift for just $5. Students starting the semester can get ready for those marathon study sessions with friends, sipping delicious drinks and swapping stories. Parents dropping their kids off at school can grab some much-needed "me" time with seasonal favorites like the Pumpkin Spice Latte. Day-trippers and anyone else holding onto those last moments of summer can savor a new Starbucks Refreshers™ Very Berry Hibiscus beverage made with whole blackberries. After you buy this deal, you'll receive your $10 Starbucks Card eGift via e-mail. Just print it out, spend it on anything you want at a participating Starbucks store, and drink in the first weeks of autumn.