I actually spent a year and a half working as an affiliate marketer (mostly selling drumming related products – lessons, kits ect). 5 years on and one of my one page sites (which I’ve not touched) still nets me about $150 a month. I won’t be retiring off that but only really now appreciate the reverse pyramid approach to entrepreneurship (working for nothing initially but later being paid without effort!)

One of the things I'm surprised your article doesn't mention is the tax advantages of this type of investment. The depreciation and rehab costs (purchasing distressed properties) can be huge deductions to ones income taxes, which none of the others have. Then, along with the appreciation of real estate, this passive income investment outperforms the notion of maxing out my 401k as well.
Regardless of which investment strategy you decide to pursue to earn residual income, an essential part of the investment process is careful due diligence of each opportunity as it arises and working hard to remove any pre-existing biases. Take your time to figure out which approach makes the most sense for you, and carefully calculate your residual income goals. Remember that diversification using different asset classes is one of the most effective ways to build stable and viable streams of residual income, and a profitable portfolio.
Financial Planner Course The growth of the financial sector in India makes financial planning one of the fastest growing professions. The estimated demand of financial planners is around 50,000 CFP professionals in the banking and financial services industry in India. However, till May 2017, India has had only 1828 CFP professionals. CFP certification is recognised in […]
Dividend stocks tend to be more mature companies that are past their high growth stage. Utilities, telecoms, and financial sectors tend to make up the majority of dividend paying companies. Tech, Internet, and biotech, on the other hand, tend not to pay any dividends because they are reinvesting most of their retained earnings back into their company for growth.

Residual income is calculated as net income less a charge for the cost of capital. The charge is known as the equity charge and is calculated as the value of equity capital multiplied by the cost of equity or the required rate of return on equity. Given the opportunity cost of equity, a company can have positive net income but negative residual income.