Business owners are holding off on transporting goods around and loading up on additional inventory.

Warehousers are reluctant to build new capacity because nobody really knows what’s likely to happen going forward.

Logistics prices typically rise in January. But this year, other factors could be pushing transportation and warehousing costs up as well, including concerns about tariffs.

Trump trade proposals may spur early purchasing, considering that companies know consumers will balk at escalating surcharges on imported goods.