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.
However, you should pick a niche and blog about that. If you're launching a money related blog, maybe it'll be about how to make money in real estate or simply how to make money online. Pick the niche and stick to it. If it's a diet and fitness related blog, maybe the niche is the Ketogenic diet, the Atkins diet or some other form of diet or fitness.

1. The batting cage idea is very risky. I’ve seen many of them close over the years and it is not anything close to passive income if you want to keep the business going. You have to continually promote it and target youth leagues, coaches, schools etc to catch all of the new players who grow up and want to play. I’ve played at probably 8 batting cages over the years and 7 of them closed.
Starting a blog is one of the most popular side hustles to earn online income. This is because whether you have 10 people or 10 million reading your content, the amount of your effort to write an article is the same. Websites have low start-up costs and you can literally buy your domain, launch your site and have a few pages created in less than an hour. You won’t start making money right away, but you will be building towards that first $1 of income.
Thanks for writing this Mr. Samurai. I just got over the student loan hump but I feel pretty good about it at 27 having a graduate degree and being 100% debt free. Now that I’m on the other side it is good for my brain to absorb some of your knowledge regarding passive income investments. I love gleaning wisdom from older folks who have been there and done that. Mentors rock!
My favorite type of semi-passive income was rental property because it was a tangible asset that provided reliable income. As I grew older, my interest in rental property waned because I no longer had the patience and time to deal with maintenance issues and tenants. Online real estate became more attractive, along with tax-free municipal-bond income once rates started to rise. 

For those willing to take on the task of managing a property, real estate can be a powerful semi-passive income stream due to the combination of rental and principal value appreciation. But to generate passive income from real estate, you either have to rent out a room in your house, rent out your entire house and rent elsewhere (seems counterproductive), or buy a rental property. It’s important to realize that owning your primary residence means you are neutral the real estate market. Renting means you are short the real estate market, and only after buying two or more properties are you actually long real estate.
Bravo! Dr. Kim on your courage and innovation and honesty! Medicine has changed from what we knew or thought as kids and continues to change. It requires a constant reassessment to align with our values and dreams. I have seen Robert Kiyosaki speak and tell me I am in the worst tax quadrant which motivated me to join a mastermind group and stretch my mindset on who I am and what is possible. Your blog keeps me heading toward a direction that excites me and balances the intensity of medicine and improves my life. Thank you.

At some point in every value chain, value has to be created by a real human. No argument there. However, who says that a human has to deliver that value? Some very smart humans put in the work to create Google, but for the most part, they don’t have to do any work to deliver value to you, whether it’s search results or GMail or Maps. Your landlord put in a lot of work to afford the apartment you live in, to remodel it, and even to find you as a tenant. But now, he doesn’t have to do any work to deliver value to you: you wake up every morning in the apartment whether or not he works.


If you have a spare bedroom, you can find a roommate or list the space on AirBnB for travelers. Having a roommate is the more passive of the two, as being an Airbnb host will require more work in the form of turning over the room between stays. This is a super painless way to earn $500 to $1,000 a month without much effort – you may even be able to cover your mortgage payment with this extra income!
This is the best post I’ve seen on passive income streams. I’m similar to you in that I worked in IBanking for a few years but wanted out. My approach is a little different, instead of starting with the CD’s, I’m trying to build up my net worth with riskier asset classes such as stocks and real estate to get the benefit of compounding. Then, as I approach my retirement year goal, I’ll start moving them into CD and bond ladders. In theory at least, it’s best to have the highest net worth just before retirement, then convert them to risk free passive income. You’re method is more patient and probably more practical than mine. I guess I’m willing to take more risks. 

Thanks for the great article…although I have to point out many of the items listed are not passive but active, such as selling bodily fluids, writing blogs or resumes, and collecting bottles and cans. To be truly passive, the income source must require no effort on your part (after initial setup). Real estate, dividends, P2P lending…these are truly passive income sources.
I see you include rental income, e-book sales and P2P loans as part of your passive income. Do you not consider your other internet income as passive? Is that why it’s not in the chart? Or did you not include it because you would rather not reveal it at this point? (I apologize if this question was already answered – I didn’t read through all the comments, and it’s been about a week since I actually read this post via Feedly on my phone)
Creating passive income is one of the most important steps towards retirement. Passive income is money that comes in without any work from you. Stock dividends, rental property income, interest on notes are all forms of passive income. Truly passive income is almost impossible to achieve, because every investment involves some sort of work. Stocks are fairly easy to buy, but still require research, while real estate is more difficult to buy, but can produce much higher returns.
Book sales ($36,000 a year): Sales of How to Engineer Your Layoff" continue to be steady. I expect book sales to rise once the economy starts to soften and people get more nervous about their jobs. It's always best to be ahead of the curve when it comes to a layoff by negotiating first. Further, if you are planning to quit your job, then there is no downside in trying to engineer your layoff so you can get WARN Act pay for several months, a severance check, deferred compensation, and healthcare. 

I just can’t seem to get my head around creating my own online product. When you talk about it, you make it sound like its mostly just about putting in the time and plugging away at it. Problem is I can never seem to come up with any ideas for a site or product that seem remotely unique or compelling or that I have any special knowledge about. The stuff I do know about is pretty commodity type knowledge that can mostly be found on thousands of sites on the internet already. Any tips on discovering what your “unique angle” is? I mean, you have a pretty compelling and somewhat unique personal story of working on wall street and then walking away at a young age.
Even if you don’t have the skills right now, it’s possible to develop them. Envato Tuts+ has a load of great courses that teach you how to make WordPress themes, Photoshop actions and so on. If you invest a few months into learning the necessary skills, you might well be able to carve out a spot for yourself in the Envato Market or in our new curated website Envato Elements. 
Personally, my experience with Amazon thus far has been good - a few of my short eBooks generate steady passive income on weekly basis with zero additional effort from my side. One thing to note though - Amazon pays 70% royalty on each eBook sold only if your eBook is priced between $2.99 to $9.99. Less than or higher than that pricing structure, the royalty decreases to 35%.of your book’s listed price.
We have 1 rental at the moment and we are renovating the second one. Last year we generated over $14,000 net passive income (after mortgage payments and taxes) from one apartment, and all I had to do was go in to inspect the property 3 times to make sure the tenants weren’t destroying it! It turned out they kept it in perfect condition and they were lovely people! Call me lucky.

I truly believe generating $10,000 a year online can be done by anybody who is willing to dedicate at least two years to their online endeavors. Here is a snapshot of what a real blogger makes through his website and because of his website. Roughly $150,000 a year is semi-passive income followed by another $186,000 a year in active income found through his site. Check out my guide on how to start your own blog here.
When a taxpayer records a loss on a passive activity, only passive activity profits can have their deductions offset instead of the income as a whole. It would be considered prudent for a person to ensure all the passive activities were classified that way so they can make the most of the tax deduction. These deductions are allocated for the next tax year and are applied in a reasonable manner that takes into account the next year's earnings or losses.
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