Arbitrage is when an investor purchases an investment property below market value and quickly sells or rents it for a profit. Rental arbitrage is a type of subletting where the tenant of a long term rental rents out the property on a short term basis.Real estate arbitrage occurs when a real estate investor purchases an investment property and sells it simultaneously at a higher price. In real estate arbitrage, used as a verb "arbitraging," means to buy one property and then sell that same property for a profit. Rental arbitrage is an expert technique where you sublease a property for the sole purpose of Airbnb. Real estate arbitrage refers to the practice of taking advantage of price differences in different markets or times to make a profit. Learn how to wholesale real estate in San Bernadino: 1. Real estate arbitrage is a strategy that involves taking advantage of price differences in the real estate market to generate profits.