Arbitrage sports betting is a practice that involves gamblers betting on all possible outcomes of a sports event to guarantee profit. They take you through the first steps of filling out a tax return.Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Rob is a one-of-a-kind leader, and anyone who has worked with him would say the same. His motivational energy is so electric and infectious. This helpful OPIS glossary can assist you in better understanding many oil industry terms. It's also available in PDF version for download. JSTOR is a digital library of academic journals, books, and primary sources.