The first time I did affiliate marketing was way back in the day on my architecture exam website. I connected with a company that sold practice exams, which gave me $22 for every person who bought one of their exams via my site. Since then, I’ve generated over $250,000 simply by recommending that product alone. Again, this is a product that was not mine, but one that has still been helpful to my audience. This was all done with thousands of visitors a month. Not millions, or even hundreds of thousands.

From 2000 to 2010, the country attracted $178 billion as FDI.[307] The inordinately high investment from Mauritius is due to routing of international funds through the country given significant tax advantages – double taxation is avoided due to a tax treaty between India and Mauritius, and Mauritius is a capital gains tax haven, effectively creating a zero-taxation FDI channel.[308] FDI accounted for 2.1% of India's GDP in 2015.[11]
Real-estate crowdfunding ($9,600 a year): Once I sold my SF rental, it was natural to reinvest some of the proceeds into real-estate crowdfunding to keep sector exposure. I didn't invest a lot in some of my favorite real-estate investment trusts because I felt a rising interest-rate environment would be a stronger headwind for REITs. But if I could be more surgical with my real-estate investments by identifying specific investments in stronger employment-growth markets, I thought I could do better.
He makes a strong case for network marketing and offers the difference between investing in say a franchise for hundreds of thousands as opposed to starting your own network marketing business, which is much like a franchise with a proven system only you can start with literally nothing down and use the leverage of people. Similiar concept as real estate with some of the advantages of franchising. No capital investment with huge returns.

Sonme months back, I heard the founder of Tastykhana.in in a TIE talk, where he shared that when they desperately needed some money in the starting years of their business, that time – one of the employee of an IT company put in Rs 1 lac in their business and within a year or two, he got back 20 lacs return through an exit option when they got funding later (it was something like this, if not exact)

The rupee was linked to the British pound from 1927 to 1946, and then to the US dollar until 1975 through a fixed exchange rate. It was devalued in September 1975 and the system of fixed par rate was replaced with a basket of four major international currencies: the British pound, the US dollar, the Japanese yen and the Deutsche mark.[324] In 1991, after the collapse of its largest trading partner, the Soviet Union, India faced the major foreign exchange crisis and the rupee was devalued by around 19% in two stages on 1 and 2 July. In 1992, a Liberalized Exchange Rate Mechanism (LERMS) was introduced. Under LERMS, exporters had to surrender 40 percent of their foreign exchange earnings to the RBI at the RBI-determined exchange rate; the remaining 60% could be converted at the market-determined exchange rate. In 1994, the rupee was convertible on the current account, with some capital controls.[325]
If you have specialized knowledge in a certain topic, you can put together an online course to teach others. For example, if you have experience in real estate investing, you can create an online course “Real Estate Investing 101”. The benefit of an online course is that once you create the course material, you can sell it to as many people as you want.
Creating multiple streams of income does not mean get a second job to supplement your current income. A second job does not provide you with the flexibility and freedom to increase your income. In fact, it can hurt you when you think about it. You are trading time for money and in the long run, you lose. Instead, create something that will allow you to give yourself a pay raise when you need and want it. 
Investing in a business: Another good way to generate passive income is to invest in a business --even a small one -- in return for a percentage of the profits - just like Shark Tank, only smaller. Lending $10,000 to a local business that, for example, is working on a mobile app for Apple phones could lead to a passive income-generated share of the profits when that mobile app starts selling like hot cakes.

Stocks (shares) paying dividends are typically a reliable source of income but they have higher risk of capital losses than cash and bonds. So, it’s wise not to chase yield indiscriminately.  The 10 highest yielding stocks on the ASX 200 (the 200 largest companies in Australia) are shown in the table below.  But their share price performance on average over the last year has been underwhelming, as shown in the far right column:
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