SPARK MIG145 Semi-automatic Non Gas Welding Machine (Banggood, Aliexpress: Welding thickness: 0.4-5mm, Output voltage: 11~24V, Output current: 20-140A, Maximum input power: 4940W, Applicable welding wire diameter: flux core 0.6/0.8mm, Maximum output power: 2940W, Maximum rated input power: 4940, Recommended circuit breaker: 40A, 120A suitable for 0.8 1.0mm welding wire 3.2 welding rod, Load duration: 140A 25% 70A 60%, Input current: 25A, No-load voltage: DC50V, Input voltage: AC~220V±15% (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($202.39): BGCAPITALOS8
just apply this code 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): BGSaleFeb8, BGSaleAD, BGET12, BGMARCHSALE, BG20236Tool, BGET10, BGf703a0, BGCOUPERT8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for SPARK MIG145 Semi-automatic Non Gas Welding Machine? There we go. The lowest price was: $189.99.
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)).