Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-TH3 Data Hub (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t know if this is a good price – number of records in my database is too low!
Link: Banggood product page
Coupon (11.69 USD): 10%ForBGBW
Coupon (11.69 USD): BGHONEY2110
Coupon (11.99 USD): 13f142
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): bwth3, 15bwth, bwthse, Alibuy91142, 502C6B, 12blitzw, BGss10%bw, AFfbG10, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGBW152, BGdragonBoat, bgshOOp10, BGRBWTH3, BgoFErTaSchInA10, BgcLuBofErtA10, 10%ForNewBW, BGc1953c
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-TH3 Data Hub (-3 USD)
Price history and price alert
There is only one database record (it was for 9.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).