Google the name you will run the other way. Check out some of the welding forums there hasn't been a good word said about the company other than the speed they cash the checks.
To me any company that advertises on almost every Craig's list isn't somebody that I would what to deal with.
The one place that has nice words is supposed to be owned by the company. This is a vid on the one you are talking about.You tube notice that the guy doing the demo is wearing a longevity Tee shirt There are some other video's among the 7 posted there all by the company so take them with a grain of salt. Do a google for a U tube vid of some guy smashing a new one to bits.
Here is a general posting on Import units, another brand.http://www.weldingtipsandtricks.com/...-complain.html
The combo all in one machines just shout that there is more that can go wrong.
The only other thing I have seen is that they aren't close to the thickness as they claim. And they are slow to respond to complaints or parts requests.
I would think about a HF unit first as they are local you could take it back in the first month if you have a local store.
Been there, probably broke it, doing that!
I am not a lawyer, and never played one on TV!
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