Ultra-cheap clothing from China could get more expensive under President Trump's new tariffs, and help Amazon edge out competition from overseas. An additional 10% tariff on all Chinese goods went into effect on Tuesday, the same day President Donald Trump agreed to pause tariffs against Mexico and Canada for 30 days.

President Donald Trump has revoked a nearly century-old tax loophole that saved companies from paying tens of billions of dollars in fees on imports. Prices on such orders could now go up an average of 30 percent.

Americans love Shein, Temu and AliExpress for two reasons: low prices and fast shipping. Trump’s tariffs could change that. His tariff orders reversed a long-standing shipping loophole: the de minimis exemption.

The trade loophole is meant to ease small-scale sales — but critics say it's been abused and gives Chinese firms an unfair advantage.

Here’s how to understand de minimis and how it turbocharged bargain platforms Shein and Temu.

The removal of the provision, which benefitted fast-fashion retailer Shein and the marketplace Temu, could lead to higher prices and delays for shipments.