Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGAlerabatLP, BGTBET11, BG1TBT11, BGT11UE, BG60a4e6, ADMITAD2212, BG192b0b, 2022ACTIESNL, BGb3b0aa, BGf84035, Terence, Tabby20, BGc1a3bc, 2203ActiesNL, BG71a5d9, BG1efeb0
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for DERE TBOOK T11 Laptop 15.6 i7-1165G7 16GB 1TB is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).