Whether it's on a professional basis or in our everyday lives, there are a lot of myths which simply refuse to die. Rather than taking such myths into account, doesn't it usually make more sense to discover the truth first rather than believing such fallacies?
Do you want to be a real estate agent? Just like any other profession, you could not simply get into the industry and mediate deals between buyers and sellers. You have to earn the necessary credentials, acquire the required skills, learn basic knowledge about property marketing, and take a license/accreditation (if required in your area) before you become a full-pledged real estate agent.
A real estate business is dependent upon the existence of prospects. If you do not know how to attract incoming clients and maintain professional relations with existing ones, you have to start from scratch over and over again. Even your investments for establishing the business may be put to waste once you neglect consumer needs.