How about that? A Sale which has a mystery expiration date. AirRattle are having a 20% off Sale which means that you better decide when to pull the trigger and put an item on the shopping cart as the sale ends on an unmentioned date which means you may just the miss the sale anytime now... "We are currently are offering 20% coupon code: GUNSALE20 Sale expires at an unknown date (mystery). Sale excludes MAP, On Sale Items, and boneyard items."