RE:" Canadian Real Estate -sales falling across the "Country".. The only real-estate market being softened by the drop in oil has been Alberta.
Home sales dropping by 1.1%. National average home price rising by 2%.
https://globalnews.ca/news/1900739/canadian-home-sales-predicted-to-shrink-1-1-per-cent-in-2015/
Toronto's home prices are expected to rise 17%
https://www.thestar.com/business/2015/03/25/torontos-record-house-prices-to-rise-further-by-2017.html
Prices in Vancouver are still crazy...
https://www.theglobeandmail.com/life/home-and-garden/real-estate/north-vancouver-house-sells-for-153000-over-asking-price/article23677851/
https://globalnews.ca/news/1909369/east-vancouver-home-sells-for-500000-over-asking-price/
I would expect lower gas costs to increase retail sales nationwide.