Old Navy In-Store Deal: $15 Off $75+ Purchase (Valid Through April 24) + Buy 1 Get 1 FREE T-Shirt OfferApril 12, 2013 By Kelli This post may contain affiliate links or sponsored content, read our Disclosure Policy. Facebook Twitter Google+ Pinterest LinkedInOld Navy In-Store Deal: $15 Off $75+ Purchase (Valid Through April 24) + Buy 1 Get 1 FREE T-Shirt OfferIf you are planning on heading to Old Navy, be sure to check out this week’s Old Navy in-store deal, a coupon good for $15 off $75+ purchase! Expires April 24, 2013.Plus, I spotted this bargain on the Old Navy Facebook page, a Buy 1 Get 1 FREE T-shirt offer! Looks like you may be able to score some sweet deals this weekend. Happy Shopping!