Investment What’s Your Investment IQ? Related Content Impact Investing or Philanthropy This fun piece can help your clients explore the benefits of impact investing versus founding a philanthropy. 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.