Not 'monkey gun'.... Glue Gun. MIG has to be the easiest process there is. I oiwn a pair of older Hobart 210 MIGS, both transformer machines and both on 75-25 gas and I buy all my FILLED 120 cubic Foot bottles from Weldfabulous in Winona, Minnesota and they ship them Fed-Ex for free. In fact I get my Argon bottles from them as well as all my TIG stuff except Tung, which I buy from Midwest Tungsten in Northbrook, Illinois.
I had and sold a Lincoln Square Wave machine as well as a Hypertherm 80 amp plasma cutter. HT's consumables got stupid priced.
Replaced the TIG machine with a Harbor Freight Pro-Tig 205 and the Plasma with a Harbor Freight Titanium 65. The HF plasma comes with the plasma table interface no charge and the consumables are 1/3rd the cost of the HT's.
Best part of the whole deal was I bought the Pro-Tig and the plasma cutter on sale (ITC Club) at basically a couple hundred bucks off their regular price and put them on my HF credit card with 3 years to pay, no interest. Finally, I got the 3 year no questions asked warranty on both of them. If they crap out, they get replaced with a NEW machine, no charge. Hard to beat that plus any HF store will honor the warranty. I TIG mostly steel and stainless and very limited aluminum so the 205 has plenty of balls for what I require. I did add a CK International water cooled 250 amp torch as well as an Everlast water cooler. I don't like a warm torch hand.
Got the torch and fittings from Weldfablous again.
One of my friends happens to be an AWS Certified Nuclear welder and he's used the Pro Tig himself and told me the Pro Tig produces the smoothest arc he's ever experienced. In fact he's going to sell his Miller and get one for himself.
Hard to beat an IGBT machine today. Very efficient on electric use and produce a very stable arc and of course the Pro-Tig can also stick weld low hydrogen SMAW elerctrodes (just like the Squarewave could). I don't stick weld as a rule unless I have my engine drive Ranger in the truck.
Finally, you can run the Pro-Tig on 110-1 as well but the output amperage is less.
Nice welder, fantastic guarantee and excellent price too. All digital with post and pre flow (user adjustable) as well as HF start and adjustable pulse settings. Unlike the Squarewave, no knobs to set, just push buttons and it has a large, easy to read digital readout.
Would I ever sell my Hobart MIGS? Never. Great machines but today, like Lincoln, they are over priced.
Just my 2 cents. Take it as you will.