Now through Sunday, September 25th, Old Navy is having a up a Buy One Get One 75% off sale! That's almost equal to a buy 1 get 1 free sale! You can purchase more than two items and take advantage of the deal over and over again on each "second" item in the transaction. If you buy 4 items, two of them will ring up 74% off. Click here for details. No coupon necessary! Note: Excludes clearance items. Pin It now!