Do i need a return ticket to visit canada if i am plaining to stay there?

Question

Do i need a return ticket to visit canada if i am plaining to stay there?

Answer 1

you cant stay in canada unless you go through the immigration process  

http://www.cic.gc.ca/english/index.asp

Answer 2

If you do not hold Canadian citizenship, or you do not hold the proper visa to live in Canada, you cannot just 'decide' to move to Canada.  You need to have a return ticket that shows you are leaving the country at the end up your visa.