As a point of comparison, Leyden points to the Rolling Stones' Zip Code tour. The Brits only played 15 stops on their tour, their first visit to North America in a decade. Swift's tour has 58 stops in the United States alone. "That tour had slightly less demand than Taylor Swift's and I believe did like a third of the amount of shows that Taylor will do this year," he says.
I honestly believe Taylor could gross $300-400M in the U.S. alone in the coming years without even substantially increasing the number of dates.