Make A Living Writing helps writers all over the world find real success in their careers. They accept queries for guest posts that provide “firsthand, practical advice” to freelance writers. In order to query, you must either be a current or former member of the Freelance Writers’ Den or a student or graduate of Jon Morrow’s blog mentoring program. However, they do run open pitch periods. They pay $50 per guest post. To learn more, read their submission guidelines.