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How Much Emergency Fund Do You Need? Real Numbers From 8 Months With Zero Income

How much emergency fund is enough? Real-life numbers from a family that survived 8 months with zero income and 2 months unconscious.

2026.03.30

⑩ 生存設計の前提　Survival Design Assumptions

Emergency Fund Is Not Savings: How We Survived 8 Months With Zero Income

A real story of 2 months unconscious and 8 months with zero income. Why an emergency fund is not savings—but a survival system.

2026.03.30

⑩ 生存設計の前提　Survival Design Assumptions

How Much Does It Cost to Live on a Boat Per Month? Real Boat Life Budget (Family of 4)

How much does it cost to live on a boat? Here’s a real monthly and weekly budget from a family of four living on a boat in Australia, including fuel, gas, internet, food, and hidden costs.

2026.03.29

ボート生活　boating life

Why High Income Families Still Go Broke | Survival Design Over Income

High income does not guarantee financial security. Learn why cash flow–dependent households collapse and how survival design, fixed cost control, and emergency funds protect your life.

2026.03.29

⑩ 生存設計の前提　Survival Design Assumptions

To my son

Why weekly payment thinking is dangerous for kids. Learn how “$50 a week” turns into long-term traps and how to teach children to think about total cost and financial freedom.

2026.03.29

③ お金の前提　Money Assumptions

Why People Chase the Wrong Lifestyle | How “Normal” Became Financially Distorted

Why do low-income groups chase “normal” while middle-income groups chase wealth? This article breaks down how social media, debt systems, and perception shifts distort what we think is normal.

2026.03.29

③ お金の前提　Money Assumptions

Why a “Normal Life” Is Financially Broken | The Hidden Cost of Fixed Expenses

A $100,000 income should be enough—but why isn’t it? This article breaks down housing, cars, and insurance to reveal how fixed expenses trap people in a cycle of constant work.

2026.03.29

③ お金の前提　Money Assumptions

Survival Design in a High Fuel Cost Era | Summary: What Actually Keeps You Stable

What really keeps your finances stable when fuel prices rise? Not income, but structure. A practical survival design you can actually apply.

2026.03.28

⑩ 生存設計の前提　Survival Design Assumptions

Why You Can’t Take Action: It’s Not Willpower, It’s Design

Struggling to take action? It’s not a lack of willpower. Discover the real reason people stay stuck—and how simple systems and design can change your life.

2026.03.28

① 思考の前提　Assumptions of Thinking

Live Weekly, Win Monthly — The Money System That Doesn’t Collapse

A simple money system: manage weekly, design monthly, protect with an emergency fund, and invest the surplus. Build a financial structure that doesn’t collapse.

2026.03.28

③ お金の前提　Money Assumptions