Perhaps you have won the lottery, received an inheritance, or cashed in one of your investments, and now you have a large sum of money you don't know what to do with. Although it is tempting to cruise around town in a brand new sports car it is important to think carefully about how to spend your newfound cash. To give you some ideas on the smartest way to use your new wealth, here are five things to do with a windfall other than spend it right away: 1. Erase Your Debt Your new found money will allow you to…