Aliexpress
Click here… to search for DOOGEE S98 8/256GB Helio G96 on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I’m afraid that there’s no working coupon 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): MVC8SPRING, BGHU1985, BGba5456, BG6244b8, BGJUNEGSG9, BG1ce4f3, BGb61ebf, BG24d1d4, BG136ba6, Cuponation9, BG1a03aa, BG3c6a42
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for DOOGEE S98 8/256GB Helio G96 is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).