Blog

Notes on money, across borders.

Practical guides on multi-currency finance, budgeting, investing, and the path to financial independence. Written for people who take their money seriously.

Latest Posts

Person counting money
Savings

Building an Emergency Fund From Zero When Money Is Genuinely Tight

Starting from £0 with a stretched budget? Here's the practical version: small starter goals, automated transfers, the windfall rule, and a realistic 12-month plan.

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Person breaking into piggy bank
Savings

When to Actually Use Your Emergency Fund (and When to Resist)

The single biggest reason emergency funds disappear is misclassifying expenses. Here's a clear test for what counts, what doesn't, and how to handle the gray zones.

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Illustration of a three-layered stack representing a tiered emergency fund
Savings

The Tiered Emergency Fund: Why You Might Want More Than One Account

For larger funds, splitting across tiers improves your real return without compromising the fund's emergency function. Here's when tiering makes sense and how to do it.

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risk gauge
Savings

Where to Keep Your Emergency Fund: Liquidity, Safety, and the Cost of Doing Nothing

Liquidity and safety come first, yield third. Here's how to choose the right home for your fund in the UK, EU, or US, plus the deposit protection rules that matter.

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stack of euros under a stethoscope
Savings

How Much Should You Actually Have in Your Emergency Fund?

The 3-6 month rule is a starting point, not an answer. The right number depends on your income type, dependants, fixed costs, and how easily your skills get re-employed.

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Person reviewing their finances at a kitchen table with a laptop, notebook, and a calculator
Savings

What an Emergency Fund Actually Is (and Why Almost Everyone Gets It Slightly Wrong)

An emergency fund isn't a savings goal, an investment, or a credit card. It's a specific tool with two specific jobs. Get the jobs right and the rest becomes simpler.

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Hand holding phone with mobile banking app open
Personal Finance

Open Banking Explained: How It Works, What It Means for Your Money, and Is It Safe?

If you've ever linked a bank account to a budgeting app, you've used open banking. Here's what's actually happening when you click "allow," how the UK regulation works, and whether it's genuinely safe.

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Purchasing power of a fixed £40k over 10 years at three inflation rates: 2% ends at £32.8k, 3% at £29.8k, 4% at £27.0k.
Retirement

What if inflation stays at 4% for a decade?

Most retirement plans assume 2% inflation indefinitely. Inflation of 4% for ten years is not a doomsday scenario — the UK sat close to that range from 2022 through 2024. This post works through what sustained 4% inflation does to the underlying mathematics of a FIRE plan, and what structural responses matter.

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Matrix of tax treatment for retirement account withdrawals across UK, France, and US, showing the three main account-type families.
Retirement

Tax-efficient withdrawal order in early retirement

The same retirement portfolio can produce materially different after-tax outcomes over thirty years depending on which accounts are drawn in what order. This educational summary describes how UK, French, and US tax systems treat the main account types, what trade-offs each approach involves, and what circumstances typically affect the analysis.

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Fan chart: 500 simulated paths from £1M starting portfolio, with median ending at £2M and 5th percentile reaching zero before year 30.
Retirement

Stress-testing your FIRE number

Most people who plan for early retirement check their number against the 4% rule, feel reassured, and stop. This is the most dangerous moment in FIRE planning. A point estimate against a 30-year plan with correlated risks is not a plan. It is a wish with arithmetic attached.

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Bar chart of required portfolio sizes across five FIRE variants at 3.5% safe withdrawal, from Coast FIRE at £548k to Fat FIRE at £2.29M.
Retirement

Coast FIRE, Barista FIRE, Lean FIRE: pick your target

Coast FIRE, Barista FIRE, Lean FIRE, Fat FIRE. The FIRE community has more variants than almost any other personal finance movement, and most of the terminology is used loosely. Each variant corresponds to a specific financial situation with specific trade-offs. Here is what each one actually requires, with the maths.

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Bar chart of SAFEMAX by country from Pfau 2010. Five countries support the 4% rule; twelve do not, with Italy at 1.3% and Japan at 0.8%.
Retirement

Why the 4% rule breaks outside the US

The 4% rule is derived from US market data. Apply the same methodology internationally and it collapses: the UK's historical safe rate was 3.05%, Italy's 4% rule failed in four-fifths of cases, Japan's domestic equity market delivered negative real returns across thirty years. The global figure, according to the most recent research, is 2.31%.

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