Perception doesn't always match reality but, when it comes to financial markets, it can make a difference. For example, if you've ever invested in the stock market, you know that a company's stock can rise or fall based on the day's news, even if the company's fundamentals and outlook remain the same as the day before. In short, perception matters. And, in today's housing market, there's a perception that there are few affordable homes available to prospective buyers. In fact