" if it gives me better exposure there, I will do it."
Different strokes for different folks.
Recped generally lists on eBay.ca and is satisfied with the overall results.
I generally list on eBay.com and am satisfied with the overall results.
It would be nice if one answer could apply to all Canadian sellers but it does not appear to be the case. We all sell different "stuff", in different categories, using different listing tools, to different markets, in different price brackets with different policies.