If you are in the market for an Autel Robotics X‑Star Premium right now you can get one with a second battery for free with code "CES2017".
Make sure both the drone and the battery are in your cart when you apply the coupon.
Autel has has a $150 rebate in the form of an Amex gift card if you pass the Part 107 Drone Pilot Cert. test, so there is an opportunity.
If you consider that the second battery is $115 and is an absolute necessity, this is a great price for this drone.