Everything I know I learned it by myself. Now I like to teach others. You can do this too.
If you are passioned about what you're doing, hardworking becomes a lot easier
You will not be a pro in 2 days. Practice as much as you can, train your eyes.
First I started publishing my creations on deviantART (which I still do) but I soon switched to a better platform.
YouTube was perfect, I could create video tutorials which were easier to follow and for my followers.
I soon needed a website so I could store the downloads I was offering. Now PSD Box has 4 sub-sites including the members area.