Kohl's offers the Serta Corey Convertible Futon Sofa Bed for $169.99. Coupon codes "SUN20" and "SERVICE10" cuts the price to $125.99. Plus, you'll get $25 in Kohl's Cash. With $15 for shipping, and assuming you'll spend the Kohl's cash, that's $15 under last week's mention and is the lowest price we could find by $15. Buy Now