Case-Shiller has just reported that home prices are up 12.2%. Should homeowners be jumping for joy? In this video segment, Motley Fool analyst Austin Smith discusses with host Chris Hill how Case-Shiller's methodology leaves its figure significantly higher than other agencies' figures, and gives investors some insight into how to interpret these numbers. He also warns that buying a home as an investor may not be the right way to play these rising home prices and gives some key alternatives that he prefers.