Every year, the same thing happens. The weather warms up, the "For Sale" signs start popping up, and suddenly everyone who spent the winter thinking about buying a house decides it's time to actually do it. Welcome to spring buying season — the most competitive time of year in real estate. The good news? A little preparation goes a long way. Here's what you need to know before you jump in. Get Pre-Approved Before You Start Shopping I know, I know. You just want to look at hou