You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
max 48mm height, Tail Spindle Shaft Diameter: 3mm, ESC: ALZRC V4 50A (Hobbywind), Color: Red, Channel: 6CH, Tail Rotor Diameter: 160mm, Weight: 580g(kit), Main Shaft Diameter: 6mm, Main Blade Length: 370mm, Gyro: K8, Battery Compartment: 34*34*120mm, Motor: ALZRC 2525, Item: X360 RC Helicopter, Spindle Shaft Diameter: 5mm, Servo: 3* ALZRC DS452 Servo & 1* ALZRC DS501 Servo, Tail Blade Length: 62mm, Main Rotor Diameter: 805mm, Tail Shaft Diameter: 4mm, Motor Size: max 32mm diameter
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($338.55): 8Couponsde
2. ($345.91): BGRCDrones6
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGAL20, AFfbG10, affbg10, BGCITYADS2019, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGheli10, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGHONEY2110, BGDAVIS, BGMATT7, Drones6, BANGGOODSD, 6GSGIT, CouponsDE, 00c906, BGheli010, 2022ACTIESNL, BGheli3, Tabby20
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for ALZRC X360 FAST FBL RC Helicopter Super Combo.
Price records source(s): Gearbest, 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)).