President-elect Donald Trump’s threatened tariffs might be more of a political negotiating tactic than a set-in-stone policy, but the outcome is sure to have huge impacts on American consumers.

The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.