Right now the best price with coupon code for SQ-D60 60W Digital Soldering Iron is $27.99 (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Display screen Digital Tube, Sleep time 1-30min (Adjustable), Factory temperature 300℃, Temperature compensation ±50℃ (Adjustable), Working temperature 100℃-400℃ (Adjustable), Temperature unit ℃
Latest coupon and price update (UTC):
Banggood ($27.99)
Banggood warehouse is located in China. Is it a low price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $21.77) You can get coupon down below.
Link: Banggood product page
Price without coupon: $30.99
1. ($27.99): BGd83f03
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGherra, BGRUS15, BGSQD, BGWELDTOOL, xollodrnes84, BGDroneRc1, BG8c7dc6, BG124c46, BGKL130, BGe1dad7, BANGGOODSD, BG8a7644, 00c906, BG00c906, CityadsTool, BGGines, BGPTL088, BG6d2f05, BG589b2e, BGHTT15, BG20236Tool, BG8FORMULAMX
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SQ-D60 60W Digital Soldering Iron [EU] ($-3)
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
Check out price history chart (for all/most countries) for SQ-D60 60W Digital Soldering Iron.
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)).