The Simple Path to Wealth: Your Road Map to Financial Independence and a Rich, Free Life

by J.L. Collins

If your interest rate is... Less than 3%, pay it off slowly and route the money to your investments instead. Between 3-5%, do whatever feels most comfortable: Either put the money to debt payment or investments. More than 5%, pay it off ASAP.

Stop thinking about what your money can buy. Start thinking about what your money can earn.

In the simplest terms: When you buy stock you are buying a part ownership in a company. When you buy bonds you are loaning money to a company