Limit 1 per Household.
(when purchased between 10/22/2017 and 10/28/2017)
New (open box) on ebay is around $600-700
New lowest on ebay $799.99
Latest lowest was on Fry's $699 on 09/30/17 (1 day sale with coupon)
PS: it is better to buy new with full manufacture warranty, because some drones may have glitches like issues with camera focus, sudden disconnects or issues with servo unit.