A blogger is a modern term for a storyteller.
It may all start with a few sentences that you post online, but to make your audience grow and become a successful author you need to work harder and develop yourself as a writer.
Whether you are writing a book or a blog, it is of great importance to make quality content. It will take time, for sure. Prepare for constant writing and frequent rewriting, figuring out the new ways of entertainment and experimenting.
In case you have no clue what it is better to start with, I have the right writing habits you need to develop and master. They are effective for those, who want to turn their blogging hobby into a business that brings money.