As one of its daily deals, Sears offers this Foldaway Guest Bed, model no. 00851173000, for $99.99. Apply coupon code "HOME10" to drop it to $89.99. With free shipping, that's $40 off and the lowest total price we could find, although it was $9 less in December. It measures 31" x 74" x 13" when opened and features a twin mattress and steel frame. Deal ends today.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.