Have at least 6 months income in the bank before you quit your job. More is better. It'll be slow to start, and you will have periods with little to no work.
Keep in mind that you're not just competing with other companies in Canada, you're competing with people/companies across the world. Similarly, you aren't limited to working only with clients in Canada.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability