Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
12.5 inch Windows 10 Chinese Version Intel Core i5-7Y54, 8GB RAM, 256GB ROM
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Air 12.5 8/256GB i5-7Y54? There we go.
Price records source(s): Gearbest
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)).