JCPenney cuts up to 72% off a selection of mattresses. (Prices are as marked.) Plus, get an extra 15% off via coupon code "VIP43". Most of these orders receive free shipping, although select items may incur additional handling charges. Closeout mattresses are excluded. Deal ends November 25. A couple of best bets after coupon and free shipping:
Sears offers the Serta Coralee Queen Mattress, model no. 500555581-1050, for $178. Coupon code "SEARS5OFF50" cuts it to $173. With $69.99 for shipping, that's $327 off list and the lowest total price we could find. It features Serta ComfortRight layers, Serta Pillowsoft foam, a 420 SertaFlex innerspring, and Serta StabL-Base.