Additional 20% OFF Groupon Local Deal (exp. 3/19) March 18, 2014 By: Tricie share Now through 3/19 save an Additional 20% on a Groupon Local Deal when you use code: LOCAL20. Keep in mind: *Good towards Local deals only, max discount of $50. Limited quantities available. Click Here to browse Local Deals in your area! Please be advised that this post may contain affiliate links. See my Disclosure Policy for details.