Without a website, you can start doing affiliate marketing. To advertise affiliate links and make money, use YouTube, email marketing, or social networking. However, owning a website gives you more control, builds credibility, and raises the potential for long-term success in your affiliate marketing endeavors.
If you're interested in exploring affiliate marketing further, I recommend watching this free video tutorial. It covers everything from the fundamentals to advanced topics, giving you a complete understanding of the subject.