There's a growing mantra in the real estate community, "It's cheaper to buy than rent, it's cheaper to buy than rent..."  It seems like there's a new article out each week.  Even this past week, Trulia released a new article and illustration, claiming that in 98 of 100 metro areas, it is cheaper to own a home than to rent something comprable.  However, is this really the case, or just a bunch of self-serving salespeople who trying to manipulate you into [...]