Groupon is currently offering a $10 Starbucks giftcard for only $5. This deal won't last long.
The Fine Print
Expires Dec 31st, 2014. Limit 1 per person. Deal cannot be purchased with promotional codes. Valid within the US only. Starbucks Card eGift can be used in any participating Starbucks store. Must redeem Groupon voucher by 12/31/14. Groupon will send amount paid in Starbucks Card eGift if not redeemed by 12/31/14 within 30 days. All sales final. See Starbucks Terms & Conditions applicable to Starbucks cards here. Starbucks Card eGift does not expire.