They would extend the offer only to those that spend half a million dollars on a home. I have a feeling that excludes most of the Canadians bargain hunting for property in Phoenix.
Canada has an over-inflated real estate market, especially in Vancouver, which is equal to the bay area or even more expensive and the best weather we can get within Canada is Seattle style around Vancouver. Canadians finding US houses attractive in these two cases is not surprising.
Actually, Canadians are largest percentage of foreigners buying homes in the U.S. at 23%.[1]
[1] Canadians Warm to Phoenix, Wall Street Journal http://online.wsj.com/article/SB1000142405297020401060457659...