Since importers pay the tariffs, they have the effect of making the goods from a source subject to import tariffs more expensive than those without tariffs. if there are alternative sources, this has the effect of forcing the seller to lower prices to compete. One would hope that Trump analyzed how this might play out before proceeding.
Trump has analyzed it. He’s concluded that if it raises the price to Americans, it’s worth the price of the agenda he is seeking. Look at the effects, Companies are coming home. Americans have to be wiling the price to guarantee domestic production or it will go back to the way it was in the end.