Small businesses already navigating the costs and chaos of tariffs must now also contend with the effects of the war in Iran. “It just feels like things keep getting piled on top,” said Nichole MacDonald, owner of a San Diego business that sells women’s bags. “Not just for businesses, but for consumers. And what is a business without consumers?” Since her customers are feeling financial pain just like her, they’re spending less money on discretionary items, she said. If they are still buying,