Well, it can be. It can certainly be easier to make money online compared to many other things. However, making money online can take individuals on many detours, which end up costing them a lot more than they planned. Of course it is possible. For example; some blogs and real estate companies do make millions over the web, but they have invested in content, design, and strategy.
In equity valuation, residual income represents an economic earnings stream and valuation method for estimating the intrinsic value of a company's common stock. The residual income valuation model values a company as the sum of book value and the present value of expected future residual income. Residual income attempts to measure economic profit, which is the profit remaining after the deduction of opportunity costs for all sources of capital.