Investing in bonds: Similarly, bonds are an attractive way to engage in passive income. Over a recent 45-year period, bonds funds, as measured by Vanguard Funds, returned 7.1%. Of course, there's no guarantee that investments in stocks or bonds will always work out well, investing in them is by far the surest way to generate money through passive income.
The first application of residual income, the remaining money after debts are paid each month, is relevant when analyzing a person's financial status or ability to qualify for financing. The second application, the more widely recognized meaning of residual income, is money that is received on an on-going basis for work that is completed once. This form of income allows the recipient to generate revenue that is not based on time limits. Residual income is the foundation for wealth because it offers flexibility in earning and maximizing income. It also allows income to be generated long after the work has been done.