Sellers in other countries struggle to maintain US customers as holiday shopping season starts

NEW YORK (AP) — At Fleece & Harmony, a woolen mill and yarn shop in bucolic Belfast, Prince Edward Island, in Canada, owner Kim Doherty used to be able to send yarn skeins to U.S. customers across the border with little fanfare.

The yarn orders usually met an import tax exemption for packages valued at under $800, meaning it could be imported tariff-free and avoid the customs process.