Buy, Rehab, Rent, Refinance, Repeat: The Brrrr Rental Property Investment Strategy Made SimpleInvest in real estate, flip houses, buy rental properties, and never run out of money using the hottest strategy in the real estate world! "From A Z (or B R), David covers just what you'll need to execute like a master and build wealth like the pros. David Osborn, New York Times bestselling author For years, investors have built wealth through real estate the hard way: slowly saving money and sacrificing their current happiness for a future reward.