Forget the 4% rule — it's now the 4.7% rule, creator Bill Bengen says. But here's what you need to consider before you start splashing out completely

It seems the 4% rule is now the 4.7% rule. Three decades after financial planner William Bengen came up with a simple yet ...

How to Calculate IRR With Initial Outlay and Single Cash Flow

Suppose you have the opportunity to invest in a project that will require a $100 investment today and pay out a single cash flow of $250 in year ...