THOSE GREEDY CANADIANS: Costco shoppers want ‘American only’ hours. “If you’ve ever shopped at Costco on a weekend, you know it’s like an endurance sport, with tough parking, packed crowds and competitive lines for those mini-sausage samples. But Costco shoppers in Bellingham, Wash. have an additional challenge: Canadians. It seems that the store, 90 miles north of Seattle and near the border, attracts flocks of Canadians in search for cheaper American milk and gas. And that’s making some locals grouchy.”