JC Penney $10 off a $25 Purchase Coupon! March 25, 2011 by SMFM Leave a Comment If you are heading out to JC Penney this Friday or Saturday, be sure to take this $10 off $25 JC Penney coupon with you! Coupon is valid March 25-26 only. If you are shopping online at jcp.com, use coupon code: SALEDAZE at checkout. Plus, go through Ebates and youâ€™ll get 3% cash back and a $5 sign up bonus! Sign up/in here, type JC Penney in the search bar and click shop now.