Higher Profit Potential: Rental arbitrage offers the opportunity for significantly higher profit margins compared to traditional renting. Airbnb rental arbitrage is the act of renting a property longterm and then rerenting it shortterm on vacation rental sites like Airbnb or Vrbo.Arbitrage is a mathematical, data-driven strategy for making risk-free profits off the sportsbooks. Rental arbitrage is a business model where an individual or entity rents a property longterm and then rerents or sublets that property on a shortterm basis. Rental arbitrage is similar to subletting as it involves renting out a property that you are leasing from the property owner.