You are the architect of your own success. Codecademy will gladly take your money, it’s a business. But you are not giving them your money. You are investing in yourself. Only you can capitalize on this platform, or any platform, free or otherwise.
The first success is confusion. That means the wheels and gears are turning. Go slow. Work slow. Study every little detail no matter how simple or trivial it seems. Review. Practice. Explore. Read. Experiment. Repeat. It all comes down to you. You must prove yourself a good investment.