A few years ago I thought I had to have a tig welder and spent a lot of money on a Miller dynasty 350 and a foot control and a water cooled torch and I never use it. I had been using a Millermatic 252 with push pull and I had a lot of trouble with it bird nesting. But tig welding is slow compared to wire. One of the guys working for me at the time asked me to buy a Millermatic with a spool gun. It is the best thing I ever bought. I use it all the time. I just leave the spool gun on it because I don't have the patients to switch from wire feed to spool feed. About all I use the Dynasty for is arc gauging. But my Miller D500 will do that just as well. The Dynasty setup was around $10,000 and the 112 with with the spool gun was less than $3,000 and I swear by the thing.