As Tesla CEO Elon Musk becomes more politically entangled, some Tesla owners are distancing themselves from him by purchasing anti-Musk bumper stickers. It has created a booming business for Matthew ...

And Matthew Hiller, 47, is one person who is taking advantage of that boom. Hiller had already been selling stickers on Etsy (ETSY), Amazon (AMZN) and eBay (EBAY) as a side hustle. He started ...