Starting a print on demand business requires careful planning and preparation. First, you will need to decide on a product, such as t-shirts, mugs, or posters. Then, you will need to create designs to print on the products. Additionally, you will need to find a printing service and a platform to host your store. Finally, you will need to promote your business through social media, paid advertising, and other marketing strategies. To learn more about starting a print on demand business, you can search online for resources and advice from experienced entrepreneurs.