The ugly stuff going on in the stock market lately could happen in housing. So follow the same 10-year rule as a home buyer that you should as an investor. If you can’t wait a decade or more for your transaction to make financial sense, don’t do it.
http://www.theglobeandmail.com/globe-investor/personal-finance/mortgages/home-buyers-the-10-year-rule-still-applies/article22096970/