A DealNews exclusive! Lux Decor Collection offers its Lux Decor 3-Piece Duvet Cover Set in several styles for $39.99. Coupon code "DEALNEWSONLY" drops it to $17.99. With free shipping, that's the lowest price we could find by $8. It's available in full/queen or king/California king; it includes a duvet cover and two pillow shams. Deal ends December 9.