You can create price alert here, copy coupons and view price history. What is best price?
Video Resolution: 2048×1080, Package Weight: 1000g, Photo Resolution: 4096×3072, 16.5*10.5*6.2CM(Folded), Model: 8813 Pro, Video Resolution(Bottom Camera): 1280×720, 22.5*22.5*6.2CM(Expanding), Photo Resolution(Bottom Camera): 1280×720, Product Weight: 317g, , Remote Altitude: 120m, Charging Time: 180mins, Product Size: , Lipo Battery: 7.4V 2200mAh Lipo Battery, Flight Time: about 25mins, Remote Distance: about 1KM, Pakcage Size: 30.5*21.5*10.8cm, Frequecy: 2.4G, Lens: FOV 110°, Frame: 25 fps, Image Transmission Distance: 350-400m
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. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG11fa2d, CouponsDE
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for 8813 Pro 5G WiFi FPV Drone with 3 Batteries.
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)).