warehouses to speed up shipping times, according to trade analysis firm ImportGenius. It is now sending more low-priced apparel and home goods to U.S. has put it at a disadvantage against rivals such as Target (TGT.N), Walmart (WMT.N) and (AMZN.O). Its online only sales strategy has helped it keep overheads down, but growing wait times - up of two weeks or more to receive goods in the U.S. The decades-old tariff exemption for packages valued at $800 or less is open to all retailers but is most heavily used by Chinese firms including Shein, PDD Holding's (PDD.O) Temu and potentially by TikTok's new e-commerce business. The tax provision is now under growing congressional scrutiny, with critics saying it allowing the companies to evade higher tariffs on Chinese goods.