Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (146.28 USD): Parts8
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 11414, 502C6B, 011414, d8f2bb, f62884, 2019SPEDM, BGss10%fox, BGBCFPV
(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 Foxeer Legend 2+ FPV Camera With Picatinny Mount? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).