Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Coupon (20.92 USD): Cuponation9
Coupon (21.15 USD): BG8ReviTrage
Coupon (21.61 USD): BG00c906
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): BG26510b, BANGGOODSD, 6GSGIT, BGCCARG, BG85d5c6, BGAlerabat, 2022ACTIESNL, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
There is only one database record (it was for 15.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).