There are certain areas of freelance writing that offer lucrative pay rates. For instance, medical writing, legal writing and technical writing jobs offer great pay and interesting content that is high demand. Finding related jobs depends on what you know about clients and where they post them. You can go to websites offering job postings to freelancers and telecommuters. Blogs and writing communities will have leads as well. You may want to reach out to companies and businesses known for hiring freelance writers and telecommuters.
Your interests will help you get ideas on how to improve your approach. Keep in mind it may take some time to get the results you want, but be patient and be willing to make changes. This is a good time to consider adapting and expanding your interests. Being versatile is important and it increases chances of earning more income. You can consider asking previous clients if they know other companies seeking writers and the line of work they offer.