Hello: Do I have what it takes to become

I am 46 years old and live in Sacrameto County, California. I am ready for a career change. I need help deciding if becoming a professional aviator (aicraft pilot for a living) is right for me. Do I have what it takes? Is aviation only reserved for the independently wealthy? What would legally bar me from operating an airplane in the US as far as medical or FAA regulations go? I am a civilian. Beginning a flying career in the military is not an option. I am an army veteran and was barred from military flight training because of eyeglasses.