Firstly, pick a niche you are most passionate about and learn the basics of camera and photography. There are a plethora of resources available on YouTube, Google, Udemy, and Skillshare. Take a professional course if you need it. But niching down is very important as your earning depends on your expertise in a particular niche. Then make a portfolio in addition to branding materials, and market your skills and brand through social media. You may want to run ads or get an organic lead through social media handles and websites. Please apply for your dream clients or projects. Meanwhile, regularly upskill to be on top of market trends. Gather the testimonials and ask for referrals.