Canadians are flocking to US border cities to take advantage of a travel loophole - and it's creating lucrative opportunities on both sides of the closed border tpallini@businessinsider.com (Thomas Pallini) © Provided by Business Insider A "Welcome to Canada" sign at the US-Canada border. Shutterstock.com Canadian tourists are driving up business in US border towns to avoid strict quarantines in Canada. Those arriving in Canada by land can save as much as $2,000 (Canadian) by not having to quarantine in a hotel. Transportation firms in cities like Buffalo, New York, are r...