Being a real estate sales agent, in my US state, requires licensure. It's not a particularly difficult test, and arguably it has a component or protectionism to

Being a real estate sales agent, in my US state, requires licensure. It's not a particularly difficult test, and arguably it has a component or protectionism to it, but there is also liability too. Realtors (a trademark of the National Asociation of Realtors) are members of a private organization.