Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (259.19 USD): CouponsdeFPV
Coupon (264.95 USD): BGJON8
(CouponsFromChina.com tip: you should apply the coupon in your cart 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): BG10RACING, 7bcdf9, BGDAVIS, BG239dc5, BGJPR5, xollodrnes60, xollodrnes78, BGMATT7, BG88cb94, Drones6, BG7575d3, BGc58a6a, BGab43e6, BANGGOODSD, BG022e49, CouponsDE, Tabby20
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Rekon 5 Micro 5Inch 4S Drone.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).