Tariffs and excises would not come even close to funding a government that has the military committeement this nation has.
Then we need to reduce military commitments.
The military budget, including intelligence, should be set to a maximum of corporate income tax receipts. Any “police actions” or non-declared wars are unconstitutional anyway, so big $$ savings there.
The Republic is being systematically torn down by a combination of welfare and warfare state. It needs to end.