Best tire dealer(s) in SW Ontario?

Looking at Michelin`s and Bridgestone.
Looking for a dealer with the best price between Windsor and Mississaga.
Any recommendations?
Any mail-order places within Canada (like Tire Rack) ?
Is it worth (or can it be done) to buy from Tire Rack and ship to Canada?

And they carry both Michelin and Bridgestone

tires like the Michelin Pilot Sport or Bridgestone Potenza S-03 at Costco.
So again, looking for a large, high-volume tire dealer in SW Ontario that carries more than just the average $60 all season tire and is willing to undercut the MSRP the way TireRack in the states does ...

Got the Kumhos for the RX there last year.

of slime balls.
I asked for a price on the Michelin Pilot Sport and Bridgestone Potenza S-03 (225/55/17). The guy asks me what I`m driving. Already I`m not impressed.
He gives me a price which is the list price. I tell him that I`m a hundred miles from him and I`ve been quoted $50 below list from two places that are local to me. He hems and haws- and then tries to sell me a Goodyear F1. I tell him I don`t know what that tire is, it`s not on my list. He says he can sell them to me for $100 a tire (that`s after we were just discussing $400 tires).
I ask "what exactly is that tire?" - he mentions F1 and Wrangler in the same sentence. I tell him I don`t what a truck or SUV tire. He tells me the F1 / Wrangler is OEM for the Audi something or other.
I steer the conversation back to the Pilot and Potenza and say "you don`t have any of those in stock do you" and he says no.
So that`s the end of that conversation.