This bit of advice rings very true to me. Read the whole article, but here's a tasty bit.
1) Learn to make something. Anything. First and foremost, I think it’s important to learn to make something. Anything. It could be an app, blog, table, YouTube channel, video tutorial, or anything else. Then study the people who have become successful enough to support themselves in this craft, and study them, copy them, stalk them, and meet them.