Aliexpress
Click here… to search for Tarot 450 PRO V2 RC Helicopter KIT on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): ZXC12, 502C6B, TTxBG10, AFfbG10, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Tarot 450 PRO V2 RC Helicopter KIT.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).