intro: It's the biggest investment most of us will make.
But often, standing between you and your dream home is someone like the guy pictured at right.
Ryan Serhant is a top New York City real estate agent and a star of the Bravo reality show "Million Dollar Listing New York," whose second season is scheduled to begin in May.
Serhant knows the property game inside and out -- here are some inside secrets.
Watch the full story on "20/20: Home Sweet Home" TONIGHT at 10 ET