The biggest good and bad side to having an online real estate course is the details that you will go with. Even though real estate investments are an immense way to make cash, it isn't for everybody. Going for an online real estate course and getting a 90 hour real estate certification Arizona, you must be able to learn the good and bad of making money by real estate properties. An online search can lead you to a great number of online schools that give you real estate courses.