Sign up for the free loyalty programs out there. I`ve put together a couple of lists (if I`ve missed any, PLEASE let me know):
http://forum.smartcanucks.ca/129559-...ograms-canada/
http://forum.smartcanucks.ca/129621-...ograms-canada/
Pay for your monthly bills (phone, cable, internet, etc) with a credit card that has some sort of rewards program (AirMiles, cashback, PC Points, etc) - you have to pay the bill anyway, this gives you something for your efforts.
If you`re a fan of live theatre, many of the smaller theater (there are over 100 in Toronto) are in need of volunteers (you feel good helping out & you get to watch the play for free).