Xiaomi Air 12.5 m3-7Y30 4/128GB Silver (Banggood, Aliexpress: Hard Disk Memory 128GB SSD, 12.5 inch IPS Screen with 1920x 1080 Resolution, RAM Type DDR3, Up to 2.6GHz, Intel Core m3-7Y30 Dual Core 0.9GHz, RAM 4GB (the best price with coupon)).
Price history, coupons and price alert are available on this page. Do you want to know what the best price is?
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):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($690.83): Wholesale20
just apply this code 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): 1912BGNEW3, TECH8%, 6OFFXM
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Air 12.5 m3-7Y30 4/128GB Silver. The lowest price was: $599.99.
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)).