Macy's offers the Martha Stewart Collection Set of 6 Melamine Mixing Bowls for $19.99. Coupon code "VIP" cuts it to $14.99. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $9.95. That's $28 off list and the lowest total price we could find. The set features a 10-oz. bowl, 24-oz. bowl, 1.5-quart bowl, 2.4-quart bowl, 3.9-quart bowl, and 6-quart bowl. Deal ends September 18.