Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Retail arbitrage is when you buy a product from a store or brand and resell it at a higher price to profit from the difference.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 an expert technique where you sublease a property for the sole purpose of Airbnb. Arbitrage is the process of simultaneously buying and selling the same asset or security in different markets to take advantage of price discrepancies. Arbitrage is the practice of taking advantage of price differences for the same product in different markets. Arbitrage is the act of taking advantage of a price difference in two different markets.