Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t really know if this price is reasonable, coz there’s no price history in my DB. One coupon is available. Cool!
Link: Banggood product page
Coupon (26.67 USD): 8Couponsde
(CouponsFromChina.com tip: apply it in your 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): 00c906, BG4283e5, BG7280ff, Tabby20
(probably won’t work, but you can try them out)
Price history and price alert
There is only one database record (it was for 10.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).