You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
SJRC F5S PRO+ PRO Plus GPS 3.5KM Repeater Digital FPV with 4K EIS HD Camera 2-Axis Mechanical Self-stabilizing Gimbal Brushless Foldable RC Drone Quadcopter RTF – Two Batteries
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
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): BG626f93, BG589b2e, BG060a58
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for SJRC F5S PRO+ Drone RTF with 2 Batteries? 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)).