Aliexpress
Here are coupons that you can use.
Latest coupon code price check (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. One coupon is available. Cool!
Link: Banggood product page
Coupon (82.87 USD): BG8FORMULAMX
(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): BGe3f3ba, BGJUNEGSG9, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BGcoupon8off, BGGutscheine, BG8OFFCOUPON, TTBLACK5, BGdbe184, JanBGCoupon8, BGf625a4, BGMARCHSALE, BGAUGUST8, BGc4a05f, BGCAPITALOS8, BGCOUPERT8
(there’s a little possibility that old coupon will work)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 42.99 USD.
You can set price alert (for Banggood).