As passive as it may sound, ‘Passive’ income is the money you make with little or no effort. It is like making the initial effort to open a water tap; the water (money, in this case) keeps flowing by itself. To further increase the cash flow, you may put in extra effort and ‘unscrew’ the money tap further. We share passive income ideas in this article, helping you start earning money while you remain in the hibernation phase.