You can get KSGER T12 STM32 V3.1S Soldering Iron Station for $55.99 using coupon code (in Banggood). You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
, Input: AC100-240V, Size: 175x 11.5x 9.5cm, , Battery: 3V, Tin Lelting Time: <8s, Power Supply: 24V 5A, Display: 1.3inch, Temperature: 50-480℃, Controller: STM32 V3.1S, Max Power: 120W
Latest coupon code price check (UTC time):
Banggood ($55.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Isn’t it too expensive? Well, this price is higher than average price ($45.71)
Link: Banggood product page
Price: $55.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGV3.1S, BGherra, BGV3.1S2, BGAFF10OFF, BGCZ592, BgcLuBofErtA10, BGRUS15, BGWELDTOOL, BGCuponation10, BG48592CZ, BGHONEY2110, BGd54050, BGa4160b, BG4c6844, BGaffbe5, BG5ee197, BANGGOODSD, 6GSGIT, BG28d280, BG8a7644, BGHU1306, CityadsTool, BG89c95c, BGGines, BGd3bd58, BGCAPITALOS8
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for KSGER T12 STM32 V3.1S Soldering Iron Station.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).