I have several streams, which is really nice because you never know when one will dry up. I think I will be losing one of my contract optometry positions later this year. It sucks because I like the job, but it won’t be financial ruin. Even if you have a secure job, the side income does allow you to meet goals faster. I don’t think I’d ever go back to relying on one job, even if it was awesome.
I just started out with Affiliate Marketing (idea # 8) and it is not as easy as people make out to be. For me the hardest part so far is learning Search Engine Optimization (SEO) and driving traffic to my website. I m only 3 months into it, but I am confident that the site will begin to generate some income, I have give it 6-9 months, so we’ll see.

Amazing article Jim. Jammed packed with great information and inspiration for a finance blogger looking to find ways to diversify income streams. Building up your capital, achieved through saving more than you earn as you described, will open doors to a lot of activities in the future. The name of the game is putting your savings to work to turn expenses and idle cash into income producing assets. It isn’t easy when you are starting from $0, but through discipline and time you will eventually be able to achieve your goals and begin using the methods you described to diversify your income streams.

I wouldn't think of a high yield savings account as a source of passive income but your savings should be getting something (less like Seinfeld syndication residuals and more like a commercial jingle residuals!). It won't make you rich but it's nice if your baseline, risk-free rate of return on cash is 1% or more. The best high yield savings accounts (or money market accounts) offer higher interest rate and there is absolutely no risk. CIT Bank currently leads the pack with the highest interest rate.

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]

any income you received related to a business, trade, profession, or occupation previously carried on in New York State, including but not limited to covenants not to compete and termination agreements (see TSB-M-10(9)I, Income Received by a Nonresident Related to a Business, Trade, Profession, or Occupation Previously Carried on Within New York State); and
If you are expert in some area, you can always give your consultancy service to smaller businesses who cant hire big companies. When we were brainstorming with a client of ours to generate second line of income, he identified that he has some great knowledge in the area of terrace gardening. He could see that he can help families with large enough terrace to setup their own balcony garden and earn some fees over weekends or extra time.
The development of Indian security markets began with the launch of the Bombay Stock Exchange (BSE) in July 1875 and Ahmedabad Stock exchange in 1894. Since then, 22 other exchanges have traded in Indian cities. In 2014, India's stock exchange market became the 10th largest in the world by market capitalisation, just above those of South Korea and Australia.[402] India's two major stock exchanges, BSE and National Stock Exchange of India, had a market capitalisation of US$1.71 trillion and US$1.68 trillion as of February 2015, according to World Federation of Exchanges.[403][404]
“Start-up time” required: Poor – Experienced niche site builders will be well versed with outsourcing certain tasks and running through the whole process very efficiently, but when you first start out, it can take a long time to earn your first dollar from a niche site.  Doing research, designing the site, writing content, and doing proper SEO work can all be very time consuming, and the payoff isn’t always something you can rely on.

India receives an average annual rainfall of 1,208 millimetres (47.6 in) and a total annual precipitation of 4000 billion cubic metres, with the total utilisable water resources, including surface and groundwater, amounting to 1123 billion cubic metres.[157] 546,820 square kilometres (211,130 sq mi) of the land area, or about 39% of the total cultivated area, is irrigated.[158] India's inland water resources and marine resources provide employment to nearly six million people in the fisheries sector. In 2010, India had the world's sixth-largest fishing industry.[159]
There are many success stories you’ll run into of what it takes to generate multiple streams of income. However, one of the most important tips is to take on multiple clients. One client being your income source is bad news. They could voluntarily or involuntarily leave you high and dry. For instance, their business may begin to suffer and they no longer have the funds to pay you. Well, that is your income stream; gone without warning.

You can find dividend stocks using Google Finance Stock Screener which is free to use. Set the search criteria for the P/E Ratio, and Dividend yield (shown as a percentage) criteria. You can set minimum and maximum values; in the dividend yield box, set it between 2 and 100. This will search for stocks that pay dividends worth between 2-100% of the current stock price.
Thirst for income is likely to continue with interest rates expected to stay low, keeping government bond yields low for longer and their valuations unattractive.  Looking past bonds, the prices of high-dividend shares are historically high, which limits the likelihood that their dividends will rise markedly from here.  Striving too high for an income target tends to push your portfolio further out on the risk spectrum.