Rental arbitrage is an expert technique where you sublease a property for the sole purpose of Airbnb. Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price."Arbitrage" literally means riskless profit. What people call arbitrages are usually low but not zero risk strategies. 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. 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 the process of simultaneously buying and selling the same asset or security in different markets to take advantage of price discrepancies. This strategic form of betting has you choose both sides of a two-way bet with odds that guarantee a profit.