A best bet is this Nostradamus Adult Costume for $39.99 before the above coupon, $27.99 after. With $4.99 for shipping, that's $4 under the lowest total price we could find for a similar costume elsewhere.
A best bet is the Reebok Women's Realflex Speed Running Shoes in five colors (Gravel / Green / Black / Cosmic Berry pictured) for $79.99 before the above coupon, $55.99 after. With free shipping, that's the lowest total price we could find by $22. They're available in sizes 5 to 11, although not in all size/color combinations.