Just posting a few links here for any Canadians.
http://www.expatica.com/fr/finance_business/tax/tax-basics-for-canadian-expats-25663_10481.html
http://www.expatnetwork.com/Money/Expat-Tax/Tax-for-Canadian-Expats.cfm
It seems you can be a non resident for tax purposes. As I am working all this out I thought I.d share.
Who does not want the best tax advantage even on a low income.