As one of its daily deals, Sears offers the Serta Jayden Super Pillow Top Firm Queen Mattress, model no. 034643350, for $629.99. Coupon codes "SEARS35OFF300AFFILIATEDEALS" and "VALPAK5" cut it to $589.99. With free shipping, that's $1,510 off list and the lowest total price we could find. This innerspring mattress features a pressure-relieving quilt weave and zoned convoluted foam. Deal ends today.