Consider starting a specialized WordPress installation and setup service. Many individuals and businesses struggle with the technical aspects of setting up a WordPress website, so offering your expertise in this area could be a valuable and in-demand service. You can market your service by highlighting your skills in offering high-quality installations, providing ongoing tech support, and emphasizing your knowledge of WordPress. Additionally, you can consider offering additional services such as plugin installation, theme customization, and website maintenance to further cater to your clients' needs.