Sears offers the Serta Perfect Sleeper Taryn Super Pillow Top California King Mattress, model no. 500206143-1060, for $779.99. Coupon code "SEARS5OFF50" drops it to $774.99. With free shipping, that's $1,175 off list and tied with our mention from a month ago as the lowest total price we could find. It features foam and gel foam layers, carbon steel coils, and a double-beam foundation.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.