Tig welder

[Tomo]

I have been wanting to buy my own welder for a while and now that I have my 70 k5 project I NEED a welder. I have been mig & stick welding for a while now - my dad has both and I can use them when I need to fab something. I've done a lot of research and really want a tig welder because we don't have one and it will allow us to weld aluminum & stainless. But how practical will it be to use only a tig welder for floor repair and body work on the blazer? Main thing the blazer is at my house and I don't want to have to take it back and forth to my dads to use his mig or drag his welder to my house.

Thanks for the advice
Tom