You are PR/citizen? If so you can show that you have enough source of income/savings to support you and your spouse. If you have support/free accomodation from your extended family, you can ask them to write a letter and state that in your application.Please help, can someone sponsor a spouse in Canada if you are in school at the moment and receiving loans and bursaries? Your spouse is here in Canada?
It's a real question to show that you two will not be needing social assistance while living in Canada.