Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (1091.99 USD): Cuponation9
Coupon (1091.99 USD): BgGoodie9
(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): hoNEYbGdeAlS, BGa103d3, BG304d8d, BGJUNEGSG9, BG6e6c9c, BG6720a0, BGXMLPR24, BG728e55, 9OFFSUMMER
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for Xiaomi RedmiBook Pro 14 2022 Laptop 14.0inch 2.5K R7-6800H 16/512GB is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).