If you are thinking about purchasing an investment property, you probably understand this is a great way to diversify your investments. On the other hand, you also need to understand how to evaluate potential rental properties and how to make sure you can generate enough income to cover the overhead expenses related to the property. What do you need to know? Pay Down Personal Debt First Before you decide to take on a second mortgage, you need to pay down as much of your existing debt as possible. If you have unpaid medical bills, student loans, and car loans, you…