Some Aroostook County businesses say they are concerned about costs, while others say this is short-term pain for a long-term benefit.

While experts say some manufacturing could shift back to the U.S., retaliatory tariffs could dry up the Canadian market for Maine timber. But many unknowns remain.

Williams: "I have experienced cancelations. Nothing out of control yet. I have experienced a lot of phone calls from Canada. A lot of Canadian citizens calling, because they want to get the low down of what's going on." The Old Orchard Beach Chamber of Commerce says roughly 40 percent of the town's tourists come from Canada.

The 25% tariff on most imported Canadian goods that President Trump's plans to impose Tuesday has touched off a range of emotions along the world's longest international border.

OLD ORCHARD BEACH, Maine — Old Orchard Beach has long been a favorite getaway for Canadian tourists, with their spending making up a significant share of local business revenue. But concerns are growing that the tariff turmoil between the U.S. and Canada could put a dent in Maine's tourism industry.

Businesses on Maine and New Hampshire’s coast have concerns about whether Canadians will return in 2025. Trump's spat with Canada isn't only reason.

The Trump administration is planning to put tariffs on some of the country's — and Maine's — biggest trade partners. A 10% tax on Canadian energy imports and a steeper 25% tax on all other goods from the country is expected to go into effect Tuesday.