You can create price alert here, copy coupons and view price history. What is best price?
Material: EPP foam, CG: 125mm behine the nose, Packing Size: 450x270x130mm, Skill Level: Intermediate, Servo: 9g*2, Age: 14+, Motor: 2205 2300KV Brushless, Wingspan: 820mm, ESC: 30A, Weight: 170g(Without electronic equipment), Color: Grey, Item Name: S800 V2 SKY SHADOW, Length: 405mm, Propeller: 6045
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($116.00): BANGGOODSD
2. ($117.25): Drones6
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGS800V2, Parts8, BGBCFPV, BGAIRP12, 502C6B, BGBFAFF2019, BGCITYADS2019, Email5, BGOTC21, BGMPB2020, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, BGPlane-10
(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 Reptile S800 V2 SKY SHADOW PNP RC Flying Wing.
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)).