- Inflation from 1973-2008 increased 500% while the S&P 500 and bonds ran out of money by 1990 and 1994 respectively when using a 5% withdrawal rate.
- Diversifying across different asset classes with varying risk profiles can increase returns while lowering risks compared to being fully invested in stocks or bonds alone.
- Rebalancing a portfolio periodically helps investors buy low and sell high, lowering risks and increasing returns over the long run.