When tariff shortages arrive, here's what might be missing

Port of Los Angeles port official says trade volume will be down by about a third this week .

Trump administration has imposed a 10 percent universal tariff on nearly all imports to the U.S. , with tariffs of 145 percent on goods from China .

The tariffs on China imports will likely be the first to disappear from stores.

Other basic necessities, such as toothbrushes and vacuum cleaners, could see shortages.