In the past, a freelancer was a knight that earned enough to own his own lance. Becoming independence without the need of a master.
Today, like before, designers should first become professionals and then to go out to the market as a freelancer. First, to work as an employee while slowly learning and working as a freelancer.
To Gain confidence that is based on a true experience, and not theoretical experience.
A freelancer can work solely. Sell, design, manage finance, Acquire design skills and define the business. Become a Freelancer.