theTVaddict.com listed five reasons as to why Canada rocks:
3. The CW: Little known fact: it’s not the Winchester Bros. talent for demon-hunting or Clark’s superpowers that have kept SUPERNATURAL and SMALLVILLE alive and well all these years. Rather, it’s a powerful yet rarely talked about ally known as the Canadian dollar. A dollar, whose low value in comparison to that of its American cousin has played a surprisingly large role in keeping both Vancouver based shows shooting all these years.
Source: DVR Playground