Price history, coupons and price alert are available on this page. Best price?
15.6 inch FHD IPS Screen, 512GB SSD Storage Capacity, Intel Core i3-5005U Quad Core 2.3GHz, Intel HD500 Graphics, 15.6 inch FHD IPS Screen, 8GB DDR4 2400MHz RAM for Advanced Multitasking
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($304.55): Wholesale20
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): BGX8S3, aff7off, affiliate6, BGBFCR28, BGCITYADS2019
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for T-BAO TBOOK X8S J3455 8/512GB Laptop.
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)).