The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs. Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should. Retirement Plan Choices for Small Businesses Retirement choices can be intimidating. Picking the right strategy.