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What I wanted to solve: When purchasing a home, I needed to think about my future life plan and decide on a budget for the house. I was going around housing exhibition centers with a vague sense of "I think it would cost about this much to buy the house I want. With this level of income, I should be fine with about this much." There was a gap in budget perception between me and my wife, who tends to worry...
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When purchasing a home, I needed to think about my future life plan and decide on a budget for the house. I was going around housing exhibitions with vague ideas like "I'll probably need about this much for the house I want" and "with this income level, I should be fine with about this much." There was a gap in budget expectations between me and my cautious wife.
So, we decided to create a solid plan for the future, determine a realistic budget, and build the house with both of us in agreement. This is what prompted me to start planning our life plan.
What I wanted to solve was the anxiety about our future lifestyle.
At first, I was implementing it using Excel with functions.
However, as I paid attention to the details, it became quite complex, making it difficult to manage, and in areas where flexible responses were needed, functions couldn't be used.
So I first consulted with a life planner. Since I had created it quite meticulously, the life planner was surprised. Next, we used the app that the life planner uses to run our simulation.
And finally, our life plan was completed.
However, I don't think a life plan is finished once it's created. The plan table we created together with the life planner was provided as a PDF, and we haven't really reviewed or modified it since then. Since it's a PDF, we can't make modifications. The life planner said they could create it again if I consulted with them, but it's difficult to request it every time.
So, the trigger for me to create an app was the idea of being able to make frequent modifications while inputting actual results even after I created it myself.
The Excel I initially created, special expenses and inflation rates discovered through consultations with the life planner, and various other perspectives—the app is designed to allow input from all these angles.
You don't need to input everything from the start. If you input just the minimum data of income and expenses, you can get output right away. The more you refine it, the more accurate the data becomes. It's designed so you can input income and expenses from every angle you can think of.
If you find something you'd like while using it, please let me know.
Also, a life plan is not finished once it's created. It's designed so you can properly track whether you're executing according to plan or deviating from it. Based on monthly (or yearly) actual results, deviations from the plan are visualized, and you can redesign your plan based on that.
Life doesn't always go as planned, but if you have a plan in place, you should be able to avoid failures that you would have known about in advance.
家を購入するにあたり、今後のライフプランを考えて、家の予算を決めていく必要がありました。なんとなく、欲しい家を買うにはこのくらいだろう。このくらいの年収だから、このくらいなら平気だろうそんな考えで、住宅展示場を回っていた僕と、心配性の妻の間では予算感に乖離がありました。
そこで、しっかりと今後の計画を立てて、現実的な予算を決めて双方納得した上で家を建てようとなったことで、ライフプランを計画し始めたのがきっかけです。
解決したかったのは、今後の生活の不安解消です。
最初は、エクセルを使って関数で実装していました。
しかし細かいところにこだわっていくと結構複雑になっていき、なかなか管理が難しくなってきたり、柔軟な対応が必要な箇所では関数が使えなかったりしました。
そこでまずはライフプランナーさんに相談しました。かなり緻密に作ったので、ライフプランナーさんも驚かれていました。今度はライフプランナーさんが使ってるアプリを使って、私たちのシミュレーションをしました。
そうしてやっと私たちのライフプランは完成しました。
しかし、ライフプランは作って終わりではないと思っています。ライフプランナーさんと一緒に作った計画表はPDFで渡され、それ以降特に見返したり修正したりしていません。PDFなので修正ができません。ライフプランナーさんに相談すれば、また作ってくれるとのことでしたが、毎回依頼するのも大変です。
そこで私は、自分で作った後も実績を入れつつ、こまめに修正ができるようなアプリを作ろうと思ったのがきっかけです。
自分が最初に作ったエクセル、ライフプランナーさんと相談しつつ見つかった特別な出費や物価上昇率など、さまざまな観点で入力ができるようになっています。
最初から全てを入れる必要はありません。収入と出費の最低限のデータを入れたらとりあえず出力はできます。そこからこだわればこだわるほど正確なデータが出せるように、思いつく限りの収支入力ができるように設計してあります。
もし使っていて、こんなのが欲しいというのがあればぜひ教えてください。
また、ライフプランは作って終わりではありません。それを元に計画通り実行できているのか、それとも計画から外れているのかをちゃんと追える設計にしています。毎月(または毎年)の実績を元に、計画からの乖離が可視化され、それを元にプランを再設計できます。
人生はなかなか思い通りにいかないものですが、それでも計画を立てていれば事前にわかっていたような失敗は避けて通れるはずです。