[Self-Introduction] The story of how 'Old House Renovation Investment' was the only thing that actually made me money
Hello! Let me introduce myself.
Nice to meet you! My name is
"Madoka Shinjo". While working as a
middle manager at a manufacturer, I practice old house renovation investment as a side business.
*Added in October 2025...*
I have become an official ambassador for the National Old House Renovation Promotion Council! I have summarized the background and my thoughts for the future here.👇
I became an official ambassador for the National Old House Renovation Promotion Council! | Madoka Shinjo🎈 | Serious about side hustles @ Follow back 100, I will return likes
"I want to create income on my own without relying on my company"
"I want to increase time with my family and achieve financial freedom"
With those thoughts in mind, I started a side business.
Surely, if you are a salaryman, you have thought this at least once, haven't you?
"I want to live a freer life without being tied down by a company."
That was exactly how I felt, too.
But in reality, I was too busy with work to have the energy to try a side business, and even if I did start, I didn't know where to begin.
While carrying those worries, my side business experience reached 10 years before I knew it. I have challenged myself with various side businesses such as private lodging, reselling, and video editing.
However, as for the results—most of them didn't go well and it was a series of failures. Honestly, there were many times I felt like giving up, thinking that side businesses aren't easy.
Even so, there was only one reason I didn't give up on my side business.
"I want to cherish my time with my family more."
That was my thought.
In the midst of that, I finally encountered a method called "old house renovation investment".
✅ You can create a system where "assets work for you" even when you are busy
✅ Even beginners can start with small capital
✅ You can work on it without cutting into time with your family
I have purchased and operated 5 old houses so far, and currently earn 3 million yen in annual rental income.
I have also experienced selling properties recently, and as a salaryman side business, I was able to earn a reasonably large profit.
I am realizing once again the strength and reproducibility of the real estate business.
Moreover, Idid not have any special skills, nor did I originally come from the real estate industry.
These are results I built up as an ordinary salaryman, using my spare time.
Now, I use that experience of mine to
share the appeal and concrete know-how of old house investment, which allows even busy salarymen to 'first create 30,000 yen of freedom per month'.
I am sharing this information.
If you are currently
✅ 'Looking for a side job you can do even if your main job is busy'
✅ 'Wanting to increase your income while cherishing time with your family'
✅ 'Interested in real estate investment but feel the hurdles are too high to take the first step'
If you feel that way, I am sure my content will be useful to you.
In the following parts, I will talk in more detail aboutwhy I arrived at old house investment
andthe reasons why it is easy for beginners to get startedas well.
Why did I start old house investment?
The reason I started a side job was simple.
'I want to have more time with my family.'
I have never been a workaholic; if anything, I am the type whovalues daily life and time with family above all else.
However, the reality of working as a salaryman was
✅ Leaving early in the morning and returning at night
✅ Working on holidays and overtime being the norm
✅ Often missing the moments of my children's growth
'Is it okay to go on like this?' I suddenly wondered.
That was about 10 years ago when I started looking for the option of a side job.
At the time, I had no knowledge or anything, so I just tried every 'side job where you can earn money if you just put in the work' I could find.
✅ Private lodging (Minpaku)
→ Withdrew after being caught up in legal changes and intensified competition
✅ Reselling (Sedori)
→ The workload just kept increasing, and my time with my family decreased
✅ Video editing
→ Although I acquired the skills, it took a huge amount of time to get projects, so I gave up
Honestly, during this period, I was in a counterproductive situation where I was supposed to be creating freedom through a side hustle, but instead, I was becoming even busier.
In the midst of that, I happened to learn about a method called Old House Renovation Investment.
✅ Even if I don't work myself, my assets work for me in the form of rental income
✅ Starting with an initial cost of around 2 million yen is possible
✅ Once you build the system, it is easy to balance with your main job
Above all, what was significant was that there was a system in place where even beginners could proceed while receiving professional support.
I myself was someone who initially hesitated, thinking, 'I can't choose properties, and I don't know anything about renovations.' But when I actually tried it,
I was able to start with minimal burden while borrowing the power of professionals.
From there, I steadily accumulated experience, and so far I have managed 5 old houses and even experienced selling them.
I strongly feel that 'with this method, other busy salarymen can sufficiently replicate it.'
That is precisely why I have now started sharing information with the desire to have more people know about the appeal of this highly reproducible old house investment.
Like me,
✅ While valuing time with family
✅ Working on a side hustle alongside a main job
✅ Wanting to steadily build up '30,000 yen of freedom per month'
I would be happy if I could serve as a reference for the first step for those who are thinking this way.
What you will learn in this article
Having read this far, some of you might feel, 'Old house investment, I'm a little interested.'
However, when you think about actually trying it, the first thing beginners run into is 'anxiety due to lack of information'.
✅ Can I find good properties myself?
✅ How much do repair costs run? Will there be unexpected expenses?
✅ What if I can't rent it out, or what if I want to let it go in the future? Is there an exit strategy?
I also stood at the starting line with the exact same anxieties.
And now, as someone who started from scratch, managed 5 properties, and actually experienced selling them, I can say that
there is a 'solution system' prepared for each of these anxieties.
In this article, I will explain how to steadily create '30,000 yen of freedom per month' even from scratch while
incorporating my own real experiences in an easy-to-understand way.
A method that is reproducible even without special skills or real estate knowledgeSo,
if you are looking for a 'side hustle that even a busy office worker can take on,' I hope you will read this to the end.
Real estate investment is about 'having your assets work for you, rather than you working yourself'.
What I realized painfully after starting a side hustle was
that 'a side hustle where you don't earn unless you do the work yourself is ultimately just selling your time'..
Private lodging, reselling, video editing... what I learned from trying all of them was
the reality that 'it is extremely difficult to balance this with a full-time job and still cherish time with your family'.
That was when I encountered the option of real estate investment.
✅ 'Assets work to generate income' without you having to work yourself
✅ Once a system is built, the daily time burden can be kept to an absolute minimum
Encountering this way of thinking significantly changed my stance on side hustles.
Furthermore, I can now assert that among them, old house renovation investment is 'one of the few methods that an office worker can realistically engage in'.
✅ Can be started with an initial cost of around 2 million yen
✅ You can leverage the knowledge of an experienced network, so you can proceed with peace of mind even as a beginner
✅ Once a system is built, you can manage it as a side hustle without strain
✅ As you build up a track record, your 'assets' will generate new income
I myself have come this far starting from having no special knowledge or skills.
That is why I can say that 'this is a truly highly reproducible method'.
I would be happy if the information I am about to share becomes an opportunity for you to broaden your perspective on choosing a side hustle.
There is a lot of suspicious information and misunderstanding out there
Unfortunately, right now,when you start researching real estate investment, I personally feel that it is full of suspicious information and misunderstandings.
When I first encountered old house investment, if I looked at the internet or social media,
✅ 'Passive income easily for anyone!'
✅ 'Start with a full loan and become a wealthy asset holder in one go!'
✅ 'Monthly income of 1 million yen in as little as ● months!'
......Such sweet words were overflowing.
But in reality,there is no such thing as a free lunch.
Especially if a beginner proceeds on their own from the start, they tend to fall into pitfalls like the following.
✅ Buying only expensive seminars or information products and ending there
✅ Buying a property on your own and ending up with a 'property with no exit'
✅ Doing unnecessarily expensive renovations, making the income and expenses not balance out
✅ Misunderstanding that 'old house = cheap because it's a dump, so it's profitable' and having lax risk management
I myself struggled a lot with discerning this kind of information at the beginning.
But now, I am convinced that the most important thing is to 'steadily move forward based on correct information while leveraging the insights of an experienced network'.
Old house renovation investment is not magically easy, but
with the right knowledge and procedures, it is a very realistic side hustle that even beginners can steadily build up.
That is exactly why I
will narrow down the information I share from now on to only 'things I have actually experienced' and 'things that are truly useful'.
By doing so, I hope to be of help to those who
'want to try their hand at side hustles or real estate investment but are anxious about discerning the right information'.
I hope to be of help to those people.
What is the value of what I share?
I amnot originally a real estate professional or an investor.
I am just an ordinary salaryman who has been steadily working on side hustles in between work.
That is how I arrived at old house renovation investment and
✅ Purchased and fully occupied 5 old houses (one of which was sold)
✅ Achieved an annual rental income of 3 million yen
✅ Also experienced an actual sale, realizing the importance of exit strategies
The reason I have come this far is because Itook it one step at a time through practice.
The information I share is
neither armchair theory nor a glamorous story that only highlights the successful parts.
✅ What kind of anxieties I had when I started
✅ What kind of failures I learned from
✅ What kind of ingenuity I used to reduce risks
✅ What I am still careful about in my operations
I will deliver this kind ofreal-world information exactly as it is.
And above all, I still
engage in my side hustle while keeping the core principle of 'wanting to cherish time with my family'.
That is why my content
✅ Is not for those who want to scale up aggressively
✅ But should be most useful for salarymen who first want to create about 30,000 yen of freedom per month to gradually enrich their lives
will be the most helpful content.
That is the reason why I am sharing information on this note now.
“So that as many beginners as possible can engage in old house renovation investment with peace of mind,”
with that thought in mind, I will continue to deliver real information.
What I will be sharing from now on
Thank you for reading this far.
I would be happy if you felt even a little bit that “Old house renovation investment might actually be realistic.”
However, to be honest, I myself
did not learn how to find properties, the fine details of renovation techniques, or exit strategy methodsfrom scratch through self-study.
The reason is that I
am utilizing an environment where even beginners can safely engage in old house investment by participating in a scheme called the “National Old House Renovation Promotion Council (Zenkoko).”
✅ Property selection and investment planning are well-established within the Zenkoko system
✅ Repairs can be kept to the bare minimum while still bringing the property to a rentable state
✅ I have successfully experienced the flow up to the exit (sale) through my own real experience
What I want to share in this note is
✅ The difference between this and the suspicious real estate investment schemes circulating in the market
✅ Why this “Zenkoko” scheme is particularly suited for beginners
✅ Specific personal experiences of how I used this scheme to purchase and operate 5 old houses, achieving both profitability and sales
In other words,real information as a “concrete example of someone who has actually succeeded”is what I will honestly share from here on out.
And based on that,
I hope you can judge for yourself whether you feel you can commit to this scheme with conviction after understanding it.
I myself was very hesitant at first.
But now, thanks to this Zenkoko system,I am able to live a life where I build up side income while cherishing time with my family.
If you are also looking for a side job that you can engage in with peace of mind, please start by learning about this scheme.
In this note, I will be delivering information that serves as a starting point for that kind of “knowing.”
Finally
Among the many side jobs I have challenged myself with so far,
this “Old House Renovation Investment” is the only one where I was able to produce proper results.
And now,
thinking, “Can I somehow monetize this experience and information...”
the honest truth is that I am sharing it in this form as a note. (lol)
That is precisely why,I will only write about real experiences.
I have decided not to exaggerate or post flashy content.
If you read this article and
✅ Old house renovation investment might actually be realistic
✅ I wonder how the Zenkokyo (National Old House Renovation Promotion Council) system works
✅ How is this different from other shady schemes?
If you feeleven a little bit of interest like that, please start by reading my free note.
After that, if you feel like it makes sense, I would be very happy if you could read the follow-up articles and my paid notes as well.
I have been receiving some wonderful feedback from those who have read it.
The reason I wrote this note was intended for a 'slightly younger version of myself'.
Back when I was spinning my wheels with side hustles,
if only there had been someone to tell me about 'a more grounded, reliable way to earn money'—
That was the thought that led me to write this paid article.
And then... something truly wonderful happened.
For example, I received comments like these.
In addition, free consultations have also been surprisingly well-received.
My paid articles include a perk of 30 days of free consultation.
This isn't just a 'bonus,' but something I do because it's what I would have wanted for my past self.
In fact, I've received feedback like this from those who read the article.
🎁 Two guides tailored to your 'first step'
Thank you for reading this far. If you think, 'I want to start old house renovation investment too,' I have prepared two articles packed with all my know-how, tailored to your current situation.
① [For those who want to gain 30,000 yen of freedom per month first]
If you are worried that 'real estate investment is scary' or 'I'm not sure if I can do it,' please read this first. I have summarized how I, who kept failing at side hustles, took my first step and received my first rent payment. It covers 'how to remove mental blocks' and a 'reproducible route'.
👇
② [For those who want to know the specific numbers and the reality of financing]
If you understand the system and are ready for the practical side, read this. I am openly sharing the 'loan documents for banks' and 'income and expenditure data' that I used while managing five properties. It is a 'practical blueprint' to avoid failure by taking the shortest path.
👇
I would be happy if you could follow me and check out my future posts as well✨.
As a bonus, for those interested, there is also a free email course from the National Old House Renovation Promotion Council called the 'Vacant House Utilization Manual'.
It's a great way to get a quick overview of the basics for free, so I recommend this as well👇
いいなと思ったら応援しよう！
今後も有益な情報を発信していけるよう、頑張ります！応援いただけると励みになります！