Gasoline prices change daily. What do you mean that can't just line item "Today's Tariff" as a surcharge and keep the item price the same. The isn't isn't "can't", the issue is, "afraid of catching Trump's attention, because he's vindictive as hell."
Gasoline has a few suppliers, supply lines. And stations buy directly from their parent company, their only variables are overhead costs, and state/local fuel taxes Stores have many different suppliers, each importing from multiple coutries, tens of thousands of different items Herd those cats