Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
Coupon (30.48 USD): BG3f44c3
Coupon (35.05 USD): MVC8SPRING
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 30.48 USD.
You can set price alert (for Banggood).