Keep your eye on a Supreme Court of Canada case coming up. Could change the Canadian wine market more than NAFTA ever could and open up provincial borders/tariffs of all wine manufactured in Canada.  All provinces and the Federal government are fighting this guy, so write your MP's and tell them to stop getting in the way! 
https://www.theglobeandmail.com/news/national/supreme-court-to-hear-case-on-interprovincial-alcohol-purchases/article34893813/