In the aftermath of steel and aluminum tariffs during Trump's first term, major appliances showed price increases of between 5% and 10% between June 2018 and April 2019, Miller added, citing a monthly government data release. Those price hikes far outpaced an overall inflation rate of around 2%.

Trump also reaffirmed that he would announce “reciprocal tariffs” — “probably Tuesday or Wednesday” — meaning that the U.S. would impose import duties on products in cases where another country has levied duties on U.