2017 Airbnb started to collect and pay the TPT tax. "Also in 2017, Airbnb hosts in Arizona earned a combined $94.9 million while welcoming more than 646,000 guest arrivals to the state." ... "With more than 40 percent of Airbnb guest spending taking place in the neighborhood in which a guest stays, this drives dollars to businesses in neighborhoods that haven’t traditionally benefited from tourism."