Just check coupons out (with price alert and history). What is best price?
Intel Apollo Lake N3450 Quad Core 1.1GHz, Intel UHD Graphics 500 GPU, 13.3 inch FHD IPS Screen with 1920x 1080 Resolution, 6GB DDR3 RAM for Advanced Multitasking, up to 2.2GHz, 128GB SSD Storage Capacity
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.
Link: Banggood product page
1. ($259.99): Wholesale20
2. ($259.99): BGTF6A
you should apply the coupon 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): 1B0G3F16, 1B1G1LAP1, 12F6HTD, 12F6H25, 27F6BG, BG37F6, F637BG, TECH8%, F63D29, f6gizchina, BGAPF6, bgf6hot, F6BG705, BGF6510, BGTCF6, BGF624, BGXM3D13, BGJL3D16, BGJL6888, BGTEC9705, BGTECF6705, BGTECF67051, BGTEC1
(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 Teclast F6 6/128GB Laptop is here.
Price records source(s): Gearbest, 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)).