Yes, absolutely! It's never been easier to start a business than it is in 2022, and if you have a hobby for which there is a demand, it can definitely become a profitable business.
Before you dive head-on into turning your hobby into a business, spend some time researching the market to see if there is an audience interested in what you are offering. If you see that your hobby is in demand and that people would benefit from your products/services, you can start taking it more seriously.
Building a business, big or small, takes a huge amount of dedication, patience, and time. So, be prepared for your venture to take up much of your time and attention if you want it to be profitable, and be patient! Remember – Rome wasn't built in a day.