It costs American jobs. The lumber tariffs, for example, make lumber more expensive, which reduces construction, which costs construction workers jobs.
Tariffs may be useful foreign policy (to harm the economy of a hostile state), but they’re horrible economic policy.
Ok, you played the old switcheroo. You said the tariff will cost jobs in that production industry. Now you are saying the lumberjack is fine but the carpenter is not. You are all over the board and you see a boogyman everywhere you look.
The cost of lumber may inflate the price of a house by 1%. It my be slightly inflationary. It will not affect the demand for new houses.