CowBoom offers the used Xbox One 500GB Console, model no. 5C5-00001, for $229.99. Coupon code "YESPLEASE2015" drops it to $183.99. With free shipping, that's $151 less than the best price we could find for a new unit, although we saw a used one for $16 less three days ago, since expired. Deal ends November 30.
Note: No warranty information is provided. This item may have scuffs, blemishes, and scratches and does not include the controller, HDMI cable, or owner's manuals.