You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
12GB LPDDR4X RAM 256GB Expandable M.2 SSD, Windows11 OS Installed, Intel UHD Graphics with max 700MHz Frequency, 1.3KG Lightweight Metal Body, 60.5Wh Large Battery up to 72H Standy, 13.5 inch 3: 2 Ratio 100%sRGB Fullview Display with 3000x 2000P Resolution, 1.0MP Front Camera for Photos and Video Chat, Intel Jasper Lake N5100 Quad-Core Four Thread 1.1GHz / up to 2.8GHz, 480nits Max Brightness for Eye Protect
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 Hong Kong. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGADGT13K, BGJUNEGSG9, BGa06c22, Cuponation9, BGJPb86c1c, BGae3dd6, 9OFFSUMMER, COUPONSDE1wk, BG731c77, BgGoodie9, BGf85120, BG8ReviTrage
(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 ALLDOCUBE GTBook13 13.5 inch N5100 12/256GB Notebook.
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)).