The Rich Dad site has a great article by Kim Kiyosaki: ‘…Start with a small property � a single family home, a duplex, or 3-plex. Invest a lot of time and a little money in your first deal. Mistakes are part of the process, and you should expect to make them. With each mistake, you become smarter and your next investment easier. So make your mistakes on small properties, learn from the mistakes, and then move on to larger properties. This is also why you want positive cash flow properties: The cash flow can buffer the mistakes you�ll make along the way…’