You should be a good reader to become a writer because a good reader can only be a good writer. Start reading some good books to improve your vocabulary so that you can write a better content.
there! Full mastery of English grammar and vocabulary will be essential! You
will then need to learn how to research your topic and use the inverted pyramid
theory wherever possible. Also note that your content will have to meet the
requirements of whoever you are working for and it will hence help to be able
to adapt your writing style. All the best!
Write as much as you want . What ever comes to your mind.
I agree with the widespread opinion that one who wants to be a good writer must also be a good reader. Reading other authors will help you to distinguish your own style, improve your grammar and other necessary skills. Here's a great post revealing peculiarities of a freelance writer's career, it's pros and cons, tips and secrets https://blog.payoneer.com/freelancers/writing-content/considering-a-freelance-ghostwriter-career-is-it-for-you/ . Best of luck!