Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (62.95 USD): BGHONEY2110
Coupon (64.35 USD): BGDAVIS
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGFIMIA3B, BGA3BA, BGFIMIA3UK, BGdragonBoat, bGhOnEy10, BgcLuBofErtA10, BGBAGFIMI, BGA3PACK, BGAFF10OFF, BGCuponation10
(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 FIMI Hard Shell PC RC Backpack for Xiaomi FIMI A3? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).