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. Covered interest arbitrage is a currency investment strategy that includes using a forward contract to hedge against exchange rate risk.Airbnb rental arbitrage is the act of renting a property longterm and then rerenting it shortterm on vacation rental sites like Airbnb or Vrbo. Triangular arbitrage involves exchanging a currency in a series of three currency pairs in a short time for a profit. Learn how it works and why it is done. We want to get into the rental arbitrage business in North Carolina through an LLC. This is a risk-free profit. Arbitrage can be defined as the concurrent purchase and sale of similar assets in different markets in order to take advantage of price differentials. We want to get into the rental arbitrage business in North Carolina through an LLC. One of the arbitrage strategies is called triangular arbitrage, and it involves opening positions with 3 currency pairs.