Might be an incentive to source those items locally?
It'll also be an incentive for local sources (if they exist) to raise their prices in response to the demand. If local sources do exist, the increased demand will be incentive for them to raise prices, and you may be waiting for some time to get some things because they're suddenly on backorder.
All of that will be an incentive to increase production, but the producers are going to have to be convinced the tariffs are going to stay in place long enough for them to see a return on their investment.
Initially, it's going to be painful. Theoretically, it will eventually stabilize but if people are still feeling the pinch by the next election it's going to put Trump in a very bad position.