[otoburb]

>>It's really not. You will end up with more absolute savings by working in the bay area, than you will in Toronto in a similar living situation.

Almost every expat Canadian working and saving in the US also has a little voice in the back of their mind reassuring them that even if the absolute number of saved US dollars is the same as saved Canadian dollars, there's a really good chance their US dollars will go further [when|if] they move back home in X years due to the historical exchange rate.