There is no one-size-fits-all answer to this question, as the steps to becoming an online seller vary depending on the business and online platform you are using. However, some tips on how to become an online seller include:1. Research the various online selling platforms and platforms in your industry.2. Determine what type of selling business you are interested in starting.3. Check out the requirements for becoming an online seller on the platform you are interested in using.4. Get started selling on the platform you have chosen and make sure you are making sales and achieving your goals.