At Piping Rock, buy one select item and get a second item of equal or lesser value for free. (Eligible items are marked; the second item adds to cart automatically.) Shipping starts at $1.95. Deal ends January 5. A couple of best bets after the above discounts: Of note, new customers can cut $5 off via coupon code "aadtp5"; the same code cuts $10 off orders of $40 or more. (This includes orders under $5, so some items are free with this code.)