If you missed out on this great Groupon deal a few weeks back it is on again!  Purchase a $10 Groupon and then visit your local Old Navy store and purchase $20 in merchandise for only that $10 Groupon.  Love it!  Click Here if you are new to Groupon and register.  If you already have an account click Here.  Once on the Groupon page look up Stockton, California.  The Groupon is valid at all stores but the deal can be found under this city.  This deal will go away after today so get it fast!