Most six-figure bloggers will tell you over 80% of their income comes from their email list. This process is that important! Through this means of communication, you can set up an autoresponder series that builds trust and promotes products – your own or affiliate – hands off. You can not only promote your latest blog posts, but also your most popular, most comprehensive and best monetized posts regardless of their age.

The easiest way to make truly passive income is to invest your money into a stock, ETF, mutual funds, etc. The richest people tend to get even richer because they consistently invest and reinvest their money. Keep it up, and you might even be able to never have to work again. I know one guy whose investments now earn roughly $50,000 a year in dividends, and so he is free to live without working if he so chooses.

Whether you take a “distribution” (aka free-cash-flow) in the form of a dividend, interest payment, capital gain, maturing ladder of a CD, etc, you are still taking the same amount of cash out of your portfolio. Don’t fall for the trap of sub optimizing your overall portfolio’s performance because your chasing some unimportant trait called “income”.

Residual income is the amount of net income generated in excess of the minimum rate of return. Residual income concepts have been used in a number of contexts, including as a measurement of internal corporate performance whereby a company's management team evaluates the return generated relative to the company's minimum required return. Alternatively, in personal finance, residual income is the level of income that an individual has after the deduction of all personal debts and expenses have been paid.