SARGUY wrote:
I think that most provinces have a limit of 182 days out of the country before health insurance is cancelled or so I ve been told anyway. On the other hand maybe the US has a limited number of days that you can stay before requiring a visa or other documentation.
While most folks know the 6 month limit, the US IRS takes a different path, they have a formula that calculates that if you stay an average of over about 120 days in a 3 year period they can tax your world wide income. Filing a "closer connection" 8840 form will help, search for it on IRS website on the net.