Media and other sources sometimes misinform the public about the cost of the Canadian Crown, suggesting that we send money to The Queen or pay for the running expenses of Royal Palaces. In fact, other than the small cost of official Royal Homecomings, the entire expense of the Canadian Crown is in support of the Canadian representatives of Her Majesty, the Governor General and the Lieutenant Governors, and the historic houses in which most of them live and work.

You can read here a pdf of the detailed facts and figures in the 2013 study of this subject which the League surveys triennially (every three years).