Buying multiple properties can be a lucrative business opportunity, creating a steady stream of monthly cash flow. And while many investors hope to build their real estate portfolios, financing multiple rental properties can be more of a challenge than financing just one. The good news is that as long as you have a strong financial history and a proven track record of success with your existing rental properties, there are options to help you finance your properties, whether you’re considering just a few or 10-plus.