All you need is to have one skill to pull this off. You can do it, only if you have a skill that people need.
The world is changing its path from monthly payments to employees to gig economy. Its almost certain that there will be no permanent employment in most organizations and it will mostly be payments per gig.
So why not your freelancing journey now ? Learn a skill , make a profile at places where they search for skilled person for a gig and make it happen. You can start this almost immediately.