Writing is a numbers game. The more you write, the better you get at writing.
The more you write, the more stories you have to submit for publication. The more stories you submit, the better your chances of being published.
More is better. The more mistakes you make, the more chances you will have to correct them when you write new stories. We all learn from our mistakes. It takes some us longer than others to learn from mistakes. But, eventually, we will learn if we keep writing. The more you write, the better you will become at writing. Period. End of sentence.
Reading helps. The more you read, and the wider the scope of your reading, the more you learn. You can learn from the mistakes other writers make. And you can learn from the models they provide when those other writers finally learn to avoid making mistakes and do things right.
To become a best-selling author, you must also build an extensive readership of your own work. Building a readership, like most things in life, is a numbers game. Each editor, each reader, who reads your stories will remember your name if you show any talent at all. They will want you to succeed and they’ll watch for your next work and the one after that and the one after that. As you progress as a writer, they will not only spread the word about your talent but they’ll buy much of what you write. You see, editors and readers love good stories and they are always watching and impatiently waiting for good stories to appear. They know the more you write, the better your stories become. Therefore, the more stories you have in print, the better the chances are that your latest yarns are worth a read.
See how this game is played?