Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Alldocube X Neo Snap660 4/64GB Tablet with Keyboard [EU] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (312.99 USD): Email5
Coupon (314.99 USD): 7d18f7
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGJP55c135, bgshOOp10, BG29abd3, BGb14b38, BG7911b2, BG11KXNEO
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Alldocube X Neo Snap660 4/64GB Tablet with Keyboard [EU] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for Alldocube X Neo Snap660 4/64GB Tablet with Keyboard.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).