According to my DB the lowest price is $467 for GooSky RS4 6CH 3D Direct Drive Brushless RC Helicopter Venom Kit (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Latest coupon and price update (UTC):
GooSky RS4 6CH 3D Direct Drive Brushless Motor 400 Class Flybarless RC Helicopter for Venom Kit Version – Yellow
Banggood ($467.00)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Well, is it a good price anyway? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $385.24)
Link: Banggood product page
Price: $467
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGMatt2022, BG589b2e, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGRA249
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for GooSky RS4 6CH 3D Direct Drive Brushless RC Helicopter Venom Kit? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).