Right now on Groupon, you can get a $20 voucher to Old Navy stores for only $10! SUCH a great deal, half off your purchase!!
$10 for $20 Worth of Graphic Tees, Dresses, and Summer Apparel at Old Navy http://www.groupon.com/deals/old-navy-national?
Valid on purchase of $20 or more from 6/2 to 7/30/2011 at Old Navy Stores only. Product restrictions apply. One time use in US only. Not transferable. Not valid for cash or cash equivalent. Good for $20 of merchandise ($10 Paid For value plus $10 Discount Offer value). Discount Offer value expires 7/30/2011. $10 Paid For value does not expire. This means if you do not use it by the 30th of July, you can still use it after for $10 credit.