Thanks a lot for the replies.
Free labour really isn't really a problem for me because I've been expecting it all along, so I've kind of prepared myself for that one. I constantly tell myself I'd be happy to work the lowest position on a professional shoot just for the experience, because it's definitely what I need right now. In fact, after reading through this forum in the past couple hours I've learned more and more about how little I know of actual film production.
What are some good websites (or any other type of posting) that I should be searching around or signing up for that would regulary be looking for non-union workers on commercials or short film shoots. The main one I've been checking is mandy.com which seems to be updated regularly, but are there any others I should have on my bookmark list?
Also, thanks a lot for the recommendation about working at a rental house. The thought never really occured to me, I'll start searching the GTA/905 area for some and begin applying.