If your article convinces readers you know your stuff, they'll seek you out. Learn, market yourself and network with people like you, all for free. It Ta kes Editors of high-circulation ezines receive many submissions each week and select only the best ones. Use a headline that's descriptive and intriguing, but not cute. Use good grammar and correct spelling.
Writing is about re-writing.
Write your article, let it sit for a day or two, edit and re-write. Read your article aloud. You'll be surprised at the improvements you can make when you read the article a second and third time. Keep your bio to 5 or 6 lines or less and don't make it sound like an ad or it will be edited. Make your article 500 to 750 words.