The end of a US trade rule once meant to simplify imports is now threatening small businesses around the world. The Trump Administration’s removal of the “de minimis” tariff exemption — which let shipments under $800 enter the US duty-free — is creating new costs and confusion for independent sellers like British artist Harriet de Winton. What was designed to curb cheap imports from China is now catching small entrepreneurs in its wake. -------- More on Bloomberg Television and Markets Like