Aliexpress
Click here… to search for HGLRC Sector132 HD Caddx Vista 132mm 4S Drone on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (339.80 USD): Drones6
Coupon (339.80 USD): CouponsDE
Coupon (339.80 USD): 00c906
(CouponsFromChina.com tip: this code has to be applied 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): BGSector132HD, bGhOnEy10, BGdragonBoat, BG132HD7, bgshOOp10, BGRC902, BgoFErTaSchInA10, BG132PCV, BgcLuBofErtA10, BGCLUBOFERTA10, BGAFF10OFF, BG10RACING, 7bcdf9, BGMATT7, BGDAVIS, BGFLYING10, BANGGOODSD
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for HGLRC Sector132 HD Caddx Vista 132mm 4S Drone.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).