A flood of Airbnb properties may soon hit the market in San Antonio, along with other regional tourist spots and pandemic boom towns, as owners are forced to sell money-losing properties, a real estate expert warns. Nick Gerli, CEO of property analytics firm Reventure Consulting, last week shared a data set on Twitter showing that revenue for Airbnb owners dropped nearly 50% in markets including San Antonio , Phoenix and Austin between May 2022 and May 2023.