The Investment HabitThe boring parts, done for thirty years

Getting Started

The decisions that only need making once

Most of investing is a handful of choices made at the start and then left alone. The rest is maintenance.

A person writing on paper surrounded by a laptop, tablet, and calculator on an office desk.
Photograph by Mikhail Nilov via Pexels
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Comparisons of starting to invest usually pick a winner. This one picks the circumstances, which is more useful.

The difference in one place

  • Contribution amount, account type and asset allocation are the decisions that matter.
  • Automating contributions removes the monthly decision entirely.
  • Complexity added later rarely improves outcomes and reliably increases cost.

A short list of real decisions

How much to contribute, which account wrapper to use, and roughly how to split between equities and safer assets. Those three determine the overwhelming majority of the outcome over decades. Everything else — fund selection detail, rebalancing frequency, market timing — moves the result far less than people assume.

Automate the contribution

A standing order on payday converts investing from a monthly decision into a default. Decisions get skipped in bad months, which are exactly the months when contributing matters most. Increasing the amount whenever income rises captures the increase before it is absorbed by spending.

Simplicity is a feature

A single diversified global fund is a legitimate and complete portfolio for most people. Adding holdings increases the number of things to monitor and rebalance without necessarily improving diversification.

The portfolio you understand is the one you will still hold during a fall.

Get the wrapper right early

Tax-advantaged accounts differ hugely by country in contribution limits, treatment and access rules. Using the available allowance before investing in a taxable account is usually the first-order decision. This is jurisdiction-specific and worth checking properly rather than generalising from another country.

If that does not fit your week, it is not a failure of willpower.

Then leave it alone

Checking frequently increases the chance of seeing a fall and reacting to it without improving returns. An annual review is enough for most people, and a written plan makes that review a comparison rather than a judgement call. The absence of activity is not neglect; it is the strategy working.

Side by side

ConsiderationWhat it means in practice
A short list of real decisionsContribution amount, account type and asset allocation are the decisions that matter.
Automate the contributionAutomating contributions removes the monthly decision entirely.
Simplicity is a featureComplexity added later rarely improves outcomes and reliably increases cost.

The takeaway

Make three decisions, automate the contribution, and stop opening the app.

Small and repeatable beats ambitious and abandoned, almost every time.

Questions readers ask

How much should I start with?

Whatever is sustainable monthly after an emergency fund and expensive debt are addressed. Consistency matters far more than the initial amount.

Should I wait for a better entry point?

Time in the market has historically mattered more than entry timing over long horizons, and waiting has its own cost. Regular contributions sidestep the question.

Getting Startedstartingdecisionsautomationsimplicity
Joachim Brandt
Funds writer, The Investment Habit

Joachim writes about index funds, trackers and reading a fact sheet without being sold to.

Also by Joachim Brandt