Bear in mind, that it will take you longer than you think it will. Even if you take this into account, you are still prone to the unrealistic planning like the most of us.
External factors, as simple as weather, your dear psyche and other internal factors, will slow down your progress. Being hard on yourself won't help the situation.
Despair, self-doubt, shame and a variety of anxiety flavors frequently disturb those who choose to take a road less traveled and do something that nobody had done before.
Cheer up! There is always a way for clever enough to find it.
ACTION is the best cure for anxiety and a foundational key to success. Those people who made cosmos exploration possible were seen as crazy people by the most population of the Earth until it's become a reality.
Great things take time. Sometimes they don't, but usually, they do, because great things are done by a series of small things brought together.
So, how do you GET YOURSELF TOGETHER to keep doing bad work until you start doing exceptional work? Especially if it takes years?! How to keep creating, connecting and learning consistently and patiently?