Most folks do not shop for real estate often enough to realize a few underlying trust issues.
1. Do you think that a real estate broker/salesman could stay in business if he believed that the market was poised for a major decline in value and then told the truth to potential clients that they should wait a few years for the bottom to hit before making a purchase? 
2. Do you think that a real estate broker/salesman would tell the truth about a market that is poised for a major decline? 
3. Do you think that a real estate broker/salesman would remind a home buyer that a home is not an investment; but instead it is a expense?  Giving such advice, the real estate broker would recommend much smaller homes which would result in a smaller commission for himself.