This as-told-to essay is based on a conversation with Ari Simpson, a 39-year-old entrepreneur from South Carolina, about her T-shirt side hustle. It has been edited for length and clarity.

For years, screen printing has been one of the favored ways to produce unique, striking designs that leave a long-lasting ...

If you have a laser printer, purchase transfer paper specifically for laser printers. Most T-shirt transfer paper is for ...

Procolored, a pioneer in cutting-edge printing solutions, recently announced the launch of its latest innovation, the K ...