Arris SURFboard SB6183 Refurbished Cable Modem $29.99 + free shipping at Staples.com

Found this while looking for a cable modem deal. This seems like a great price for a REFURBISHED model. Shipping is free.
http://www.staples.com/Arris-SURF…ct_2719381
Item #2719381
Special Buy – Offer Expires on 05/25/2017 (or while stock lasts)