ahr-bi-trah-zher

An arbitrageuse is a rare term for a female arbitrageur.

An arbitrageur is one who practices arbitrage. Arbitrage is really weird. It is the SIMULTANEOUS buying and selling of an asset to profit from the price differential. A lot of arbs do this with currency, taking advantage of varying exchange rates. You'd maybe buy Saudi rials with US dollars, yen with your rials, Korean won with your yen, Singapore dollars with won, Canadian dollars with Singapore dollars, euros with your Canadian dollars, pounds with your euros and finally US dollars with your pounds, and if the exchange rates are right you can make lots of money.

The return on investment formula:ROI=(Gain from Investment - Cost of Investment)/Cost of Investment.

A profitable in real estate investment can be calculated using the following formula: Return on investment (ROI)=(gain from investment-cost of investment)/cost of investment.