Posted: Wed Jun 11, 2008 9:04 am-
E-3 is for Australian citizens only. Buying property in the US does not in any way make you eligible even for entry into the US let alone permanent residency. In fact, if you have property there it can make the questions awkward when you want to enter as a visitor (although they will let you in provided you give the right answers, but only as a temporary visitor).
As you both sound like workers without specialized skills, I doubt you could get any sort of work permit under US law.
Maybe if your girlfriend can get an L-1 transfer to the US, but invoicing I doubt is a specialized skill as far as intra-company transfers go. Even if she did, you're not married so you couldn't get permission to work as you wouldn't qualify for L-2, only B-2.
If you've got the money you might want to have a look at being a treaty investor, which is E-2.
If you've got close immediate family (parent, child, sibling) who are US citizens or possibly permanent residents they can sponsor you but it takes a long time (years) to be approved, especially if it's brother/sister sponsoring.
Most Canadians who go to the US to work use TN-1, which requires certain qualifications and you have to work for a company which needs those specific skills.
Have a read of
this. TN-1 is at the bottom, but if you read through it you might find a visa category you qualify for.
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Steve.