What it actually buys

Fifteen tracks of mechanism, and one question left that none of it answers: what is the money for.

The course has an opinion, and it is a narrow one. Not because the broader question is unimportant, but because the narrow version is the part that can actually be reasoned about.

Four things it buys reliably

Time. Directly, by not having to sell hours. Indirectly, by paying other people for hours you would otherwise spend on things you neither enjoy nor are good at.

Control over the shape of the time. Which is often worth more than the quantity. The difference between forty hours you chose and forty hours you were assigned is enormous and does not appear in any measure of leisure.

The ability to absorb a shock without it becoming a decision. A broken vehicle is an expense to one household and a crisis to another, and the same event produces two completely different years.

Patience. The capacity to wait — for the right role, the right price, the right buyer — which is the single most reliable source of better outcomes in almost every domain covered in this course, and which is unavailable to anyone who needs money this month.

And the shape of the returns

These do not scale evenly, and the unevenness is the practically useful part.

The first tranche — enough to stop a shock becoming a crisis — changes almost everything, because it removes an entire class of forced decisions. The second — enough to say no to a bad job — changes a great deal. The third, fourth and fifth buy progressively less, because the refusals they purchase are ones you were unlikely to need.

Past some point the additional money buys almost nothing you did not already have, while continuing to cost the same amount of life to acquire. Where that point sits is personal and it exists for everyone.

Predict

Which of these does additional money keep improving for longest?

Choose one answer

Day-to-day comfortThe size of shock the household can absorb without changing anythingSocial standingEnjoyment of possessions

Lock in answer

Not the same thing

Money as a score

A quantity to be maximised, compared against other people's quantities and against your own previous one.

Measured in

The number, relative to a reference group

For example

A target revised upward each time it comes within reach.

Chase it alone and

It has no terminal state, so the activity continues until something external stops it. The cost is paid in the years spent, which are the one input that cannot be replenished.

Money as purchased options

A stock of refusals — specific things you can now decline, and specific shocks you can now absorb.

Measured in

Which decisions are now yours, and how long you could sustain saying no

For example

Four years of spending held, which converts a redundancy from an emergency into an inconvenience.

Chase it alone and

Options only pay if they are used. A person who accumulates refusals and never exercises one has bought the ability to change their life and declined it.

Which is which? Put each one on a side.

• Holding two years of spending so a bad employer can be left immediately

  Money as a scoreMoney as purchased options

• Working four extra years to reach a round number

  Money as a scoreMoney as purchased options

• Keeping a large reserve while continuing to accept work you dislike out of habit

  Money as a scoreMoney as purchased options

What it stops being able to buy

Three things behave differently, and it is worth being explicit about them because the whole course has been arithmetic up to this point.

Time that has already passed. The most obvious and the most consistently ignored. Money can buy future hours and has no purchase on past ones, which makes the exchange rate between working years and target size the most consequential trade in the entire plan.

Health past a certain margin. Money buys access, speed and options in healthcare, and those are worth a great deal. It stops buying outcomes at some point, and the point arrives sooner than most plans assume.

Relationships, which run on the same scarce input as the accumulating. Both are funded out of attention, and attention is not a renewable resource on any useful timescale. This is the one where the trade is genuinely direct.

None of this is an argument for accumulating less. It is an argument for knowing the price of the next tranche, because the price is not paid in money.

Check

What follows from treating money as purchased options rather than as a score?

Choose one answer

The target has a terminal state, and reaching it means the options should start being usedAccumulating stops matteringSpending more now is always better, since the future is uncertainComparison with other people becomes irrelevant

Check answer

›Adaptation, which is why the arithmetic underrates the first trancheOptional

People adjust to almost anything, upward and downward, and the adjustment is fast. A better home, a better vehicle, a better anything becomes the baseline within a few months and stops producing pleasure.

There is one large exception, and it is the reason the first tranche of money matters so much more than the rest: people do not adapt to uncertainty. A household that does not know whether it can cover next month does not get used to it. The worry does not fade the way the pleasure of a purchase does.

Which means the money spent removing uncertainty buys something durable, and almost everything spent after that buys something people acclimatise to. That asymmetry is the strongest practical argument in this track, and it points at the reserve rather than at the target.

Worth remembering

• What accumulated money buys is the ability to say no — a stock of purchased refusals.
• It reliably buys time, control over the shape of that time, the absorption of shocks, and patience.
• The returns are steeply uneven: the first tranche removes forced decisions and later tranches buy refusals you were unlikely to need.
• The two things money keeps improving longest are absorbing shocks and being able to wait, both of which concern the bad case.
• People adapt quickly to comfort and never adapt to uncertainty, which is why removing uncertainty buys something durable.