The de minimis exemption, established nearly a century ago, allows companies to bypass duties and taxes on cross-border shipments valued under $800, benefiting industries like apparel and consumer goods by reducing costs and facilitating transportation. However, this threshold may soon change due to heightened scrutiny of e-commerce goods from China and other Asian countries. This evolving landscape prompts an examination of the exemption’s effects on the e-commerce ecosystem and the potential implications of new regulations on various sectors, including air cargo and last-mile delivery.