Xiaomi RedmiBook Air 13.3 i5-10210Y 8/512GB Notebook (Banggood, Aliexpress: , 13.3 inch 100% sRGB 89% Ratio 16: 10 IPS Screen with 2560x 1600 Resolution, Fn+ K Keys Three Smart Switch Modes, Windows 10 OS home Installed (Chinese Version), Dual WiFi 6 and Full-featured Type-C, Intel i5-10210Y Quad-Core Eight Thread 1.0GHz, 1KG Lightweight Full Metal Cases, 11.5h Battery life with 41Wh Large Capacity, 8GB 2133MHz LPDDR3 RAM 512GB Expandable SSD, up to 4.0GHz, Intel UHD Graphic 615 GPU up to 850MHz Frequency (the best price with coupon)).
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
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 and price update (UTC):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
1. ($845.99): 13f142
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGXMAIR6, Email5, BGXMAIR7, BGHALLOWEEN, BGXMAI11, BGXMAI12, BGXMAI13, BGXMAI14, BGXMAI15, 7d18f7, BGXMAI16, BGXMAI17, BGXMAI18, BGXMAI19, BGXMAI20, BGXMAI21, BGXM21NY2, BGXMAI22, BGXMAI24, BGESXMP07, BGXMAI25, 451feb, BGXMAI26, BGXMSP14, BGBZXMA1, BGXMAI27, BGXMAI28, BGXMAI29, BGXMAI31, BGXMS656, BGXMAI32, BGXMAI33, BGXMY95, BGXMY97, BGXM50OFF3
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi RedmiBook Air 13.3 i5-10210Y 8/512GB Notebook. The lowest price was: $629.99.
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)).