Money Clarity

How life events actually work with money

Every financial decision people regret is the same decision made at the wrong moment: funding something predictable as if it were an emergency, or treating a one-off windfall as if it were a raise. The economics behind this was settled decades ago and almost none of it reaches an Indian reader in a usable form. This page sorts money events into four kinds, names the instrument that matches each, and puts a rupee figure on getting it wrong.

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Last reviewed 2026-09-22

The one distinction that organises everything

The technique

Permanent or temporary - ask this before deciding anything

Milton Friedman's permanent income hypothesis says consumption should track the income you expect to earn over a lifetime, not the amount that arrived this month. Franco Modigliani's life-cycle hypothesis, which won the 1985 Nobel, makes the same argument across a working life: borrow when young, accumulate in peak earning years, draw down later. Both describe smoothing. Almost all avoidable financial damage comes from doing the opposite - consuming spikes and borrowing through troughs.

Two questions sort almost every money event you will face.

Is it predictable, or not? And is the money change permanent, or temporary?

That is a four-box grid, and each box has one correct instrument. Using the wrong one is not a moral failing; it is a category error, and it has a price.

	Predictable	Unpredictable
Expense	Sinking fund - festivals, school fees, insurance renewals, a wedding with a date	Emergency fund - medical, repairs, a job gap. Plus insurance for the large ones
Income	Permanent: a raise or promotion. Escalate savings on the day it lands	Transitory: bonus, tax refund, gift. Capital, not income

The instrument follows the box, not the amount. A predictable Rs 8 lakh wedding and an unpredictable Rs 40,000 repair need different money, held differently.

Most people run one pot for all four, which means the predictable events consume the money meant for the unpredictable ones
The test for predictable is not certainty, it is whether you could have written it on a calendar a year ago
A bonus is not a small raise. A raise is not a large bonus. Treating either as the other is the most common error on this page

Predictable expenses: the funding decision costs more than the event

The technique

Fund it forward, because the alternative is priced at 14 percent

A predictable expense has one property that changes everything: you know the date. That means you can choose between saving into it and borrowing out of it, and the gap between those two is usually larger than anything else you could optimise that year.

Take a wedding budgeted at Rs 8 lakh, two years away. The event is identical either way. Only the funding differs.

Rs 8 lakh in 24 months, two ways

Saved monthly at 6% (RD or liquid fund): Rs 31,456/mo
total you put in: Rs 7,54,956
Borrowed at 14% over 5 years: Rs 18,615/mo
total you repay: Rs 11,16,876
Cost of the funding decision: Rs 3,16,876

The monthly figure is lower on the loan, which is exactly why it gets chosen. It is also why the total is Rs 3.6 lakh higher in what leaves your account.

The borrowed version has the smaller EMI and the larger cost. Comparing monthly figures is how that inversion goes unnoticed
Two years of notice converts a Rs 3.17 lakh interest bill into a Rs 31,456 monthly habit
The same logic covers school admission fees, a planned relocation, a car, and the festival season - anything with a date on it
Where the date is fixed and near, keep the money boring: a recurring deposit or a liquid fund, not equity. A market drop three months before the wedding is not a risk worth taking for two extra percent

Unpredictable expenses: the buffer is priced in avoided interest

The technique

Size it in months of committed cost, and hold it where you can reach it in a day

You cannot forecast a medical event or a job gap, which is precisely why the instrument is a buffer rather than a plan. Its return is not the interest it earns. It is the borrowing it prevents, and at Indian card rates that gap is wide.

A three-month job gap on Rs 38,000 of committed cost is Rs 1,14,000. With a buffer, that is a difficult quarter. Without one, it goes on a card at roughly 42 percent annualised and costs about Rs 47,880 in first-year interest on top of the Rs 1,14,000 itself.

The event was the same. The buffer decided whether it was a setback or the start of a spiral.

Three months of committed cost is the floor; six if your income is single, variable or self-employed
Committed cost, not income - in a real gap the discretionary spending stops by itself
Term insurance and a health policy cover the events too large for any buffer. That is insurance doing its actual job, which is not investment
Keep it reachable within a day and separate from everything else. A buffer you cannot get to is not a buffer
Rebuild it before resuming anything else after you use it

A raise is permanent income. Almost nobody treats it that way

The technique

Escalate the saving on the day the raise lands, not at the end of the year

Thaler and Benartzi tested exactly this. Employees offered their Save More Tomorrow plan - contributions automatic and rising with each pay raise rather than with each decision - took it up at 78 percent, and 98 percent were still enrolled two raises later. Average savings went from 3.5 percent to 11.6 percent across three raises over 28 months. Nobody became more disciplined. The decision was moved to the one moment when giving up money does not feel like a loss.

A raise is the cleanest financial opportunity most people ever get, and it is usually absorbed within two months. The mechanism is not weakness - it is that a raise arrives as a higher balance rather than as a decision, so the default is to spend it.

Rs 10,000/month raise	If saved at 11%	If absorbed
After 5 years	Rs 7,95,181	Rs 0
After 10 years	Rs 21,69,981	Rs 0
After 20 years	Rs 86,56,380	Rs 0

And the absorbed version leaves the household permanently needing Rs 10,000 a month more than it did before, which raises the cost of every future job change.

Split it before it lands: a fixed share to savings, the rest to living. Half is ambitious and works; even a quarter compounds
Do it on the day, through a standing instruction. A raise reviewed in December is a raise already spent
Lifestyle inflation is not the spending itself - it is that committed cost rises and never comes back down, which is what makes a future job loss or business gap unaffordable
The same applies to an EMI that ends. That money is already absent from your month; redirect it before it becomes visible again

A bonus is capital, not income

The technique

Mental accounting - the reason windfalls behave differently

Richard Thaler's work on mental accounting describes what actually happens: money is filed into notional accounts by where it came from, and spent according to the label rather than the amount. A bonus lands in a different account from salary, so it is spent differently - which is why a Rs 1 lakh bonus disappears while Rs 8,333 of monthly salary does not.

Friedman's model says a one-off Rs 1 lakh should barely move your consumption, because it does not change what you will earn over a lifetime. In practice it moves it a great deal, because it arrives as an event.

Here is what the same Rs 1 lakh does depending on the label you give it.

Rs 1,00,000 bonus, four destinations

Spent: Rs 0
Against a card balance at 42%: saves Rs 42,000 in year one
Into the emergency fund: about 2.6 months of committed cost
Invested at 11% for 10 years: Rs 2,83,942

Clearing a 42 percent balance beats a 11 percent investment by a wide margin. If a card balance exists, the bonus has only one correct destination.

Decide the split before the bonus is credited. A decision taken after it lands is taken against a visible balance and loses
If any balance above roughly 15 percent exists, it takes the whole bonus. Nothing else you can do with that money comes close
Tax refunds, gifts, maturity proceeds and sale proceeds are the same category and deserve the same treatment
Spending a fixed slice deliberately - say ten percent - makes the rest more likely to survive than a plan that allows none

What to be careful of around events

Large life events attract products sold on emotion rather than arithmetic. These are the ones that do lasting damage.

A child plan or endowment policy sold for a future goal bundles thin cover with poor returns. Buy term cover for protection and invest separately - the combination beats the bundle in almost every case
Do not fund a predictable event with a personal loan because the EMI looks affordable. Affordable and cheap are different words
Do not raid the emergency fund for a predictable event. That is what the sinking fund is for, and the buffer will not be there when the unpredictable one arrives
Do not stop a long-term SIP to fund a short-term event. Reduce it if you must, but stopping is how a twenty-year plan quietly becomes a three-year one
Around a wedding especially, the budget set in month one and the amount spent by month twenty-four are rarely the same number. Fund the plan, then decide again

Common questions

How should I plan financially for a wedding in India?

Fund it forward rather than borrowing, because the date is known. Rs 8 lakh saved over 24 months at around 6 percent needs about Rs 31,456 a month and costs you Rs 7,54,956 in total. The same Rs 8 lakh borrowed at 14 percent over five years has a smaller EMI of about Rs 18,615, and costs Rs 11,16,876 - a difference of roughly Rs 3.17 lakh for an identical wedding. Keep the money in a recurring deposit or liquid fund rather than equity, since the date is fixed and near.

What should I do with my annual bonus?

Treat it as capital rather than income, and decide before it lands. If you carry any balance above roughly 15 percent interest it takes the whole bonus - Rs 1 lakh against a credit card at 42 percent saves about Rs 42,000 of interest in the first year, which beats investing the same amount at 11 percent for several years. With no expensive debt, split it between the emergency fund and long-term investing. Deliberately spending a small fixed slice makes the rest more likely to survive than a plan that allows none.

How do I avoid lifestyle inflation after a raise?

Split the raise before it reaches your account, through a standing instruction dated for the day it lands. Thaler and Benartzi showed this works: their Save More Tomorrow plan tied increases to pay raises rather than to monthly decisions, and average savings rates rose from 3.5 to 11.6 percent over 28 months. Rs 10,000 a month saved at 11 percent is about Rs 21.7 lakh after ten years. Absorbed into spending it is nothing, and it permanently raises the income your household needs.

Should I use my emergency fund for a planned expense?

No. A planned expense belongs to a sinking fund - money set aside monthly for things you could have written on a calendar a year ago, such as festivals, school fees, insurance renewals and weddings. The emergency fund exists for what you could not predict: a medical event, a repair, a job gap. Mixing them means the predictable expenses consume the buffer, and the buffer is not there when the unpredictable event arrives.

How much should I keep for an emergency versus a planned goal?

They are different amounts held differently. The emergency fund is three to six months of committed cost - rent, EMIs, insurance, fees - held somewhere you can reach within a day. A planned goal is its own total divided by the months until the date, held in a recurring deposit or liquid fund. Sizing the emergency fund on income rather than committed cost inflates the target by the spending you would stop anyway, which is a common reason people never start.

Every money event is predictable or not, and every money change is permanent or temporary. Those two questions pick the instrument, and the instrument is worth more than the discipline. A predictable Rs 8 lakh wedding costs Rs 7.55 lakh funded forward and Rs 11.17 lakh borrowed - the event is identical and the funding decision costs Rs 3.17 lakh. A Rs 10,000 raise saved is Rs 21.7 lakh after ten years and nothing at all absorbed. A Rs 1 lakh bonus against a card at 42 percent saves more in one year than the same money earns in three invested. Unyfy reads your accounts to compute the committed cost these decisions rest on, flags the expensive months before they arrive, and tells you where the next rupee actually belongs.

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How life events actually work with money

The one distinction that organises everything

Predictable expenses: the funding decision costs more than the event

Unpredictable expenses: the buffer is priced in avoided interest

A raise is permanent income. Almost nobody treats it that way

A bonus is capital, not income

What to be careful of around events

Common questions

How should I plan financially for a wedding in India?

What should I do with my annual bonus?

How do I avoid lifestyle inflation after a raise?

Should I use my emergency fund for a planned expense?

How much should I keep for an emergency versus a planned goal?

Related topics

How much to save every month, and where to put it

Emergency fund: how much, and where to keep it

How much of your income can safely go to debt?

Money left on the table

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Partnered with India's Leading Banks & NBFCs