The key thing to note in those various streams is how few of them rely on my active participation on a daily basis and how they are fueled from savings. My active participation is in the blogs and $5 Meal Plan. Everything is passive, outside of routine maintenance like updating my net worth record, and none of them would be possible if I didn't have the savings to invest it.
The doctor or lawyer, for instance, could use her or his income to invest in a medical start-up or buy shares of medical companies he understands such as Johnson & Johnson. Over time, the nature of compounding, dollar cost averaging, and reinvesting dividends can result in her or his portfolio generating substantial passive income. The downside is that it can take decades to achieve enough to truly improve your standard of living. However, it is still the surest path to wealth based on the historical performance of business ownership and stocks.

India has a fast-growing medical tourism sector of its health care economy, offering low-cost health services and long-term care.[256][257] In October 2015, the medical tourism sector was estimated to be worth US$3 billion. It is projected to grow to $7–8 billion by 2020.[258] In 2014, 184,298 foreign patients traveled to India to seek medical treatment.[259]
If you’re familiar with the phrase “don’t put all your eggs in one basket,” you know that it applies to just about any area of your life including—and especially—your finances. In addition to retirement becoming an ever-elusive goal, no one has guaranteed job security so by diversifying your income you can feel more secure about saving for your future. You’ll be less likely to find yourself in credit card debt and happier as a result of being financially secure.
The combination of protectionist, import-substitution, Fabian socialism, and social democratic-inspired policies governed India for sometime after the end of British rule. The economy was then characterised by extensive regulation, protectionism, public ownership of large monopolies, pervasive corruption and slow growth.[55][56][57] Since 1991, continuing economic liberalisation has moved the country towards a market-based economy.[55][56] By 2008, India had established itself as one of the world's faster-growing economies.
Retirees are paying a high price as the world stimulates its way out of the GFC (Great Recession).  After a 30-year bull market to the lowest interest rates the world has ever seen, bonds have become highly priced and now don’t generate enough to meet income needs.  Just 5 years ago the average income from $100,000 invested in a 10 year Australian Government Bond (10yrs) was $5,600 p.a.  – now it’s less than half at $2,600 p.a.