Don't get a TIG until you need it, if you are just doing shop fab get something like the miller 175, like I posted, $695.00.
It will be more once you get a tank, but that's all you will need because they sell them with regulator and hoses.
And I totally agree with Alexander, buy from a welding shop, Then you will have a face to deal with if you have problems, need advice or consumables.
A good TIG will start at $15-$1600.00 I would not even consider a scratch tig.
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