Child labour in India is a complex problem that is rooted in poverty. Since the 1990s, the government has implemented a variety of programs to eliminate child labour. These have included setting up schools, launching free school lunch programs, creating special investigation cells, etc.[360][361] Author Sonalde Desai stated that recent studies on child labour in India have found some pockets of industries in which children are employed, but overall, relatively few Indian children are employed. Child labour below the age of 10 is now rare. In the 10–14 age group, the latest surveys find only 2% of children working for wage, while another 9% work within their home or rural farms assisting their parents in times of high work demand such as sowing and harvesting of crops.[362]

One of the best ways to build wealth is to get a handle on your finances by signing up with Personal Capital. They are a free online platform which aggregates all your financial accounts on their Dashboard so you can see where you can optimize. Before Personal Capital, I had to log into eight different systems to track 28 different accounts (brokerage, multiple banks, 401K, etc) to track my finances. Now, I can just log into Personal Capital to see how my stock accounts are doing, how my net worth is progressing, and where my spending is going.
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I would throw in some caution here: if your spouse works at the same company, or in the same industry as you, you are not diversified, and should something happen, you could be in a world of hurt.  Companies do go out of business, companies do lay employees off.  There is nothing wrong with working together, but realize that you are not diversified and you should be trying to maximize other income streams as a result.
One of the most appealing options, particularly for millennials, would be #12 on your list (create a Blog/Youtube channel). The videos can be about anything that interests you, from your daily makeup routine (with affiliate links to the products you use), recipes (what you eat each day) or as you mention, instructional videos (again with affiliate links to the products you use). Once you gain a large following and viewership, you can earn via Adsense on YouTube.

Within six months of selling, however, I had reinvested the proceeds from the home sale and brought total passive income for 2018 back up to an estimated $203,724. I'm not sure I would have sold the house without a clear plan for reinvesting the proceeds, since I'm bullish on the SF housing market long term. However, because I did have a plan, and the challenges of raising a newborn and dealing with rowdy tenants left me feeling a bit stretched, I decided to simplify and sell.
When withdrawing money to live on, I don’t care how many stock shares I own or what the dividends are – I care about how much MONEY I’m able to safely withdraw from my total portfolio without running out before I die. A lot of academics have analyzed total market returns based on indices and done Monte Carlo simulations of portfolios with various asset allocations, and have come up with percentages that you can have reasonable statistical confidence of being safe.
Regardless, it took me around 18 months to start turning a profit online. It started with around $100 per month, then grew to $200 per month. Then it kept growing and growing until, eventually, the money I earned online surpassed what I earned in my regular, 9-5 job. That was last year, and my online income is still growing. Believe it or not, it all came from starting this simple, yet effective, blog.
Portfolio income can come from multiple sources – interest/bond coupons, stock dividends, financial strategies including derivatives and capital growth.  Each offers some cash flow and some also offer potential capital gain with some risk from liquidity and volatile prices.  In this low-yield environment, many investors rely too heavily on cash flows and to pursue this are venturing further into riskier areas than they’d normally consider.