1.8 billion people who have access to a water source within 1 kilometre, but not in their house or yard, consume around 20 litres per day. In the United Kingdom the average person uses more than 50 litres of water a day flushing toilets (where average daily water usage is about 150 liters a day. The highest average water use in the world is in the US, at 600 liters day.)
E-Commerce is taking off in India. One of my friend runs ebay shop for second income and easily earn Rs 1 Lac per month. You don’t need huge investments to start your store. Besides ebay you can create your own e-commerce website without any hassles. Recently Shopify set shop in India. Shopify is leading E-commerce platform & provide ready solutions to launch e-commerce store i.e. no need of website designing.
Audiobooks are witnessing a surge in popularity when compared to their text-based counterparts. If you have decided to write and publish an eBook, converting it into an audiobook requires little effort and is a great way to bolster your income. Amazon's Audible ACX platform connects authors with producers who can turn their written work into professional grade audio. Once that's done, the audiobooks are put up for sale on Audible and iTunes.
And, let’s face it; not everyone wants to sling body wraps or nutrition shakes to their family and friends. That’s why offering a service is often one of the best, and least uncomfortable, ways to earn side income doing something you love. Maybe you want to clean houses or rake leaves or help people file their taxes. It’s totally up to you, and that’s the beauty of this option.

If the income is for personal services performed partly in the United States and partly outside the United States, you must make an accurate allocation of income for services performed in the United States. In most cases, other than certain fringe benefits, you make this allocation on a time basis. That is, U.S. source income is the amount that results from multiplying the total amount of pay by the fraction of days in which services were performed in the U.S. This fraction is determined by dividing the number of days services are performed in the United States by the total number of days of service for which the compensation is paid.
It seems like common sense but it’s so easy to rely on your day job income to pay for everything. I used to get paid a lot of money to go into work and sit at my desk for 8 hours a day and then go home. No manual labor required, no staying late hours(in my case at least) and a pretty low stress environment. I loved my job and without fail, every two weeks on the dot, a nice fat paycheck would show up in my bank account. All I had to do was show up at work every day and I was pretty much guaranteed to get paid.
Corruption has been a pervasive problem in India.[372] A 2005 study by Transparency International (TI) found that more than half of those surveyed had first-hand experience of paying a bribe or peddling influence to get a job done in a public office in the previous year.[373] A follow-up study in 2008 found this rate to be 40 percent.[374] In 2011, TI ranked India at 95th place amongst 183 countries in perceived levels of public sector corruption.[375] By 2016, India saw a reduction in corruption and its ranking improved to 79th place.[376]

Investor Income: This is the apex of income that one can achieve, you just have to live off your investments which you do not have to work much for once you have researched it thoroughly. Investors generate money by investing in other businesses, dividend paying equity shares, rental possessions, and other investments that need lesser amount of work. This work provides unlimited earning potential as they build their wealth as much faster rate than any other income categories.
Textile industry contributes about 4 per cent to the country's GDP, 14 per cent of the industrial production, and 17 per cent to export earnings.[189] India's textile industry has transformed in recent years from a declining sector to a rapidly developing one. After freeing the industry in 2004–2005 from a number of limitations, primarily financial, the government permitted massive investment inflows, both domestic and foreign. From 2004 to 2008, total investment into the textile sector increased by 27 billion dollars. Ludhiana produces 90% of woollens in India and is known as the Manchester of India. Tirupur has gained universal recognition as the leading source of hosiery, knitted garments, casual wear and sportswear. Expanding textile centres such as Ichalkaranji enjoy one of the highest per-capita incomes in the country.[190] India's cotton farms, fibre and textile industry provides employment to 45 million people in India,[189] including some child labour (1%). The sector is estimated to employ around 400,000 children under the age of 18.[191]
I invested in Gold as per Allens advice and when the big stock market crash occurred in 1987, I made a ton of money by being in other investments such as gold. Ditto for real estate that market plummeted inthe 80's. Following Allen's advice, I was able to pick up loads of real estate at bargain prices becuase most real estate investors back in those days saw real estate only as a tax benefit, not for gains. Their loss.
The Indian pharmaceutical industry has grown in recent years to become a major manufacturer of health care products to the world. India produced about 8% of the global pharmaceutical supply in 2011 by value, including over 60,000 generic brands of medicines.[174] The industry grew from $6 billion in 2005 to $36.7 billion in 2016, a compound annual growth rate (CAGR) of 17.46%. It is expected to grow at a CAGR of 15.92% to reach $55 billion in 2020. India is expected to become the sixth-largest pharmaceutical market in the world by 2020.[175] It is one of the fastest-growing industrial sub-sectors and a significant contributor of India's export earnings. The state of Gujarat has become a hub for the manufacture and export of pharmaceuticals and active pharmaceutical ingredients (APIs).[176]
Truebill is an app that helps you save money by identifying recurring subscriptions and other bills and helping you cut costs by negotiating better rates and fees. One of their partnerships is with Acradia Power, which has the potential to save you up to 30% on your electric bill. It searches for better power rates in areas where competition is allowed, and it locks in the better prices for you.
P2P lending started in San Francisco with Lending Club in mid-2000. The idea of peer-to-peer lending is to disintermediate banks and help denied borrowers get loans at potentially lower rates compared to the rates of larger financial institutions. What was once a very nascent industry has now grown into a multi-billion dollar business with full regulation.
eBay Store: It’s now easier than ever to run an online eBay store. You can, of course, acquire products to resell on eBay. But you can also create an online store to market products that others are selling on eBay and share in the commissions generated by the sales. Recently I interviewed a family friend who started her own eBay store and now makes five figures from home. Check out the interview here.
However, under certain circumstances, payment for personal services performed in the United States is not considered income from sources within the United States. For example, personal services performed by an independent nonresident alien contractor specifically exempted by a tax treaty. For more examples, see the Pay for Personal Service section in Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Entities.
Last but not least Blogging, which is close to my heart. It require lot of patience, skills, knowledge and flair for writing to be a successful blogger. Besides basic skills, you need expertise in SEO & SEM to drive traffic on your blog. For successful bloggers, Blogging is full time income source. Though this place is full of copycats but trust me originality pays. Bloggers earn from content writing, affiliate programs, advertisement and through public appearance/consultancy. Organizations have realized the importance of social media impact and blogs are considered to be the best way to drive traffic on website & customer engagement. Infact many organizations have started hiring full time bloggers.
If you happen to own a home, apartment, or office space, you have a great source for generating passive income at your fingertips. Peer-to-peer property rental site Airbnb has made it extremely easy for real estate owners to make extra money by renting out their homes to guests for short durations. If you're uncomfortable with such a model, you can also use sites like NestAway to find tenants for your property without having to deal with brokers.

Lots of good insights here. I’ve just recently gotten my own website for making online income. Also gotten a website for my fledgling voice over business. There’s a lot to learn when it comes to making passive income online, especially if you’re not financially savy, this is a very helpful blog in that regard, with all the useful tools and reference materials, it certainly removes a lot of guesswork.

Freelance writer: If you have a knack for writing, you can earn great money writing for others. Not sure how to start? Contact bloggers, who are always looking for great writing. As blogs grow, they can afford to pay freelancers good money for quality articles. Websites looking to build links also hire freelancers to write guest posts to be published on blogs and websites.
Track Your Wealth For Free: If you do nothing else, at the very least, sign up for Personal Capital’s free financial tools so you can track your net worth, analyze your investment portfolios for excessive fees, and run your financials through their fantastic Retirement Planning Calculator. Those who are on top of their finances build much greater wealth longer term than those who don’t. I’ve used Personal Capital since 2012. It’s the best free financial app out there to manage your money.
One of the benefits of the time we live in is all the software and technology we have available. If you want to scale a business that’s bigger than yourself, you’re going to need systems in place to get you there. These systems should involve automating as much as you can. The less involvement of you in the day-to-day means you have time to focus on the big picture strategies that help your business grow. 
Agricultural and allied sectors accounted for about 52.1% of the total workforce in 2009–10. While agriculture employment has fallen over time in percentage of labour employed, services which includes construction and infrastructure have seen a steady growth accounting for 20.3% of employment in 2012–13.[351] Of the total workforce, 7% is in the organised sector, two-thirds of which are in the government-controlled public sector.[352] About 51.2% of the workforce in India is self-employed.[351] According to a 2005–06 survey, there is a gender gap in employment and salaries. In rural areas, both men and women are primarily self-employed, mostly in agriculture. In urban areas, salaried work was the largest source of employment for both men and women in 2006.[353]

For a person working for a wage, their source of income is their job, or their labor (aka their time that they sell to someone). But you can own a house, and rent it out, and when your renters pay you renter every month, the source of that income check is your rental property, or your house. It would just be called rental income. If you have money in the bank in an account that pays interest, those interest payments are another source of income. We can say the source is interest payments, or we can identify the asset that is generating rent, and say your money in the bank that is generating “rent” (aka interest) is your source of income.

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