Customs has detailed processes that track cars etc that travel back and forth a few times as parts are added that tracks the value add/country made in this prod

Customs has detailed processes that track cars etc that travel back and forth a few times as parts are added that tracks the value add/country made in this production process - it adds cost and often the new tariffs are quite large and must be paid on the spot and brokerage process is far more detailed = adds fees$$