I studied at U of M from 5 years, and currently working with a PGWP. It used to be a great advantage for international students can get after graduate (i.e., tuition fee tax rebate) but they abolished it

The transit system is horrendous, it is definitely a car city. If you take busses, you definitely have to experience standing in the cold (-40 degree celsius) for at least 10 mins..
But I think the benefits outweigh the costs. Welcome to Friendly Manitoba!