Basically copy coupon, view price history or create e-mail price alert. What is best price?
RAM 8GB, CPU Intel Core M3-8100Y, System Windows 10, GPU Intel HD Graphics 615, Up to 3.4GHz, Battery 8600mAh 3.7V, Capacity 256GB PCIE SSD, Resolution 2560*1600, Dual Core, Screen 8.4 Inch IPS Capacitive Screen
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. Only one coupon available!
Link: Banggood product page
1. ($735.06): aff7off
this code has to be applied 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): BG10OM3, bgchinafest, BG11ONB, BG7d5fcb
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for ONE-NETBOOK One Mix 3 M3-8100Y 8/256GB Laptop is here.
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)).