Do I have enough experience to become a consultant?

Consultants have many years of experience AND they have connections in the industry. From what you've written you're a nobody in the industry. Who's going to trust you? How will you get clients? Most consultants get work by word of mouth or they do outside work for a company they used to work for. You need so much experience it's not funny. Get a job, work hard and shine and cultivate a following of people who know your work and are willing to take a chance on you.