Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. There’s only 1 record in my database, so I have no idea if the price is OK.
Link: Banggood product page
Coupon (10.19 USD): BGSHOM15
Coupon (10.79 USD): BGHONEY2110
Coupon (10.99 USD): 13f142
(CouponsFromChina.com tip: just apply this code 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): bGhOnEy10, BGSMOFF, bgshOOp10, BGSAMRTH, BGELIG0920, BgcLuBofErtA10, 10%ForNewBW, BGAFF10OFF, BGCuponation10, 10%ForBGBW
(there’s a little possibility that old coupon will work)
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 8.99 USD.
You can set price alert (for Banggood).