There are several ways to make money by writing articles online. Here are some popular methods:

1. Freelance Writing: Many websites and businesses pay freelance writers to create content. You can find freelance writing opportunities on platforms like Upwork, Freelancer, and Fiverr. Build a portfolio of your work and apply for writing gigs that match your skills and interests.

2. Content Mills: Content mills are platforms that connect writers with businesses looking for content. These platforms pay writers based on the number of words they write. Some popular content mills include Textbroker, iWriter, and HireWriters.

3. Blogging: If you enjoy writing and have a niche or expertise you’d like to share, consider starting a blog. You can monetize your blog through advertising, sponsored posts, affiliate marketing, or by offering products or services.

4. Guest Blogging: Write articles for other websites or blogs as a guest contributor. Some websites pay for guest posts, while others offer exposure and a byline that can help you build your writing portfolio.

5. E-books: Write and self-publish e-books on platforms like Amazon Kindle Direct Publishing. If you have specialized knowledge or a unique story to share, this can be a lucrative way to earn money from your writing.

6. Writing Competitions and Contests: Enter writing competitions and contests that offer cash prizes or publication opportunities. Keep an eye out for writing contests in your genre or area of interest and submit your work to increase your chances of winning.

Remember, building a successful freelance writing career takes time and effort. Develop your writing skills, build a portfolio, and market yourself to potential clients or readers. Gradually, as you gain experience and credibility, you can increase your earning potential.