Sears offers the Sealy Posturepedic Optimum 2.0 Elation Gold Ultra Plush Queen Memory Foam Mattress, model no. 50938051, for $2,074. Apply coupon code "SEARS5OFF50" to cut the price to $2,069. With free shipping, that's $3,616 off and the lowest total price we could find. Features include dual-wave massage with three settings, night light, and wireless remote.

Of note, Shop Your Way Rewards members may be eligible for additional credits and discounts.