When you work on your dream, the beginning would be the most difficult part, it's going to be exciting to do something you love, but at the same time the amount of work that you need to do until you see any results, that's really demotivating, you'll find it hard to keep faith and to believe that you can make it, it may seem impossible to you, everything may tell you all the reasons why it can't happen, and you'll find it hard to get up in the morning from the bed, because you don't have enough motivation to get you up, but you should know that this beginning won't last forever, there will come a time when you become an expert after all the practicing you did, and you'll make it.
You should know that the problem isn't with the beginning, it's with your expectations, you expected to see results so soon, you expected that it would be easy and you'll make it quickly, but you didn't expect that it will require much work and that you need to be patient and to keep practicing and trying, because having the passion, isn't enough, you need to practice!
I know that it's demotivating to not see any results of your work, but nothing worth having comes easy, you should believe in yourself, because it's not difficult to make a million dollar, but it's difficult to believe that you can! be patient, your efforts are not wasted. It's better to write something terrible than to write nothing at all.
We all can dream big, but it might take a lot of time, it might be a long path, it might not be easy, but it's doable!