$17.99 – 120W 110V 220V Rapid Heating 400C Soldering Iron (Banggood, Aliexpress: 80W/120W 110V/220V Rapid Heating 15s High Temperature 400°C Dual Power Ergonomic Design Electric Soldering Iron US/EU Plug Soldering Kit – 120W EU Plug (the best price with coupon)).
Right now the best price with coupon code for 120W 110V 220V Rapid Heating 400C Soldering Iron is $17.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest coupon code price check (UTC time):
Banggood ($17.99)
Banggood warehouse is located in China. Is it good price? Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. I found 2 active coupon codes, cool.
Link: Banggood product page
Price without coupon: $20.99
1. ($17.99): BG94338e
2. ($17.99): BG4e0941
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG45071d, BGd76771, BG09996e
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 120W 110V 220V Rapid Heating 400C Soldering Iron. The lowest price was: $17.99.
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)).