Arbitrage is when an investor purchases an investment property below market value and quickly sells or rents it for a profit. 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. Many of the County's issuances are subject to the arbitrage rebate requirements contained in. Real estate arbitrage refers to the practice of taking advantage of price differences in different markets or times to make a profit. Arbitrage in real estate is a type of investment strategy where real estate investors find new investment properties, rent them, and then sublease them. Rental arbitrage is an expert technique where you sublease a property for the sole purpose of Airbnb.