Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (132.29 USD): BGCuponation10
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): bGhOnEy10, BGX1PRO, BGAFF7OFF, BGX1PRORC, bgshOOp10, BGRCX1PRO, BGRC902, BGHALLOWEEN, 7bcdf9
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Funsky X1 Pro Drone is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).