Could Trump actually lower grocery prices?

Not much, and not quickly. A president can nudge grocery costs around the edges, but lowering prices across the board is very unlikely. The more realistic effect is slowing price growth, not reversing it.

What could help:

• Cheaper energy and transport can trim shipping and farm costs.
• Less red tape can reduce some business expenses.

What would likely push prices up:

• Tariffs tend to raise the cost of imported food, packaging, and equipment.
• Tighter immigration or mass deportations can reduce farm and food-processing labor, which usually lifts prices.

Other limits:

• Antitrust cases against grocery chains or meatpackers take years and rarely cut prices fast.
• Once prices rise, they usually don’t fall back to old levels unless the economy is in a bad downturn.

Bottom line: Trump could maybe influence the rate of grocery inflation, but a noticeable, broad drop in grocery prices is unlikely.