Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (38.60 USD): BG10OFFAFF1
(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
Old coupons (from the oldest to the newest): TTxBG10, BgAuMotor, AM15prime, AMPrime01, Automo, Automo1, BGNEWARRI, BGAutos, bGhOnEy10, BGJulyCAR01, BGCARELEC, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGHRepair2
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for KONNWEI KW590 OBDII Diagnostic Scanner.
Price records source(s): Gearbest, Banggood
Click on image to enlarge.
You can set price alert (for Banggood).