Cardstore – Save 30% Off on Halloween Cards! October 3, 2013 By A Southern Wife Right now at Cardstore.com, you can save 30% off on Halloween cards and invitations! Head here to get this deal! Hurry, this deal expires on 10/3 at 11:59pm! Be sure to follow me on Facebook, Twitter and Pinterest for more hot deals! Sign up here for free email updates, so you never miss another deal.