One of the biggest misconceptions of home buying? The 20% down payment. Here’s how to buy with a lot less down. Buying your first home conjures up all kinds of warm and fuzzy emotions: pride, joy, contentment. But before you get to the good stuff, you've got to cobble together a down payment, a daunting sum if you follow the textbook advice to squirrel away 20% of a home's cost. Here are five...