Sears cuts 50% to 60% off a selection of mattresses and mattress sets during its Mattress Spectacular Sale. Plus, most mattresses of $599 or more get an extra 10% off. (Prices are as marked.) Even better, take an extra $5 off orders of $50 or more via coupon code "SEARS5OFF50" or an extra $35 off orders of $300 or more via coupon code "SEARS35OFF300AFFILIATEDEALS". (Coupon codes do not stack and many items are excluded.) Shipping adds $69.99, although most orders of $599 or more are eligible for free shipping. A couple of best bets, with prices after coupon code "SEARS35OFF300AFFILIATEDEALS": Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.

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