Emergency funds are often referred to as "3–6 months of expenses." That figure is easy to remember, but it is less helpful if you do not know your own expense figures, or if your situation does not fall into standard categories.

We wrote this guide not to reiterate general formulas, but to help you calculate the numbers that are relevant to your situation.

The correct formula

Emergency fund = Monthly mandatory expenses × N monthsThe value of N depends on three things: (1) income stability, (2) number of dependents, (3) ease of finding alternative income.

Sample calculation

Andi, a permanent employee with a wife (homemaker) and one child, monthly mandatory expenses of Rp 12 million (house installment, food, electricity, school, transport).

• Tier: 6 months (has dependents, one income source)
• Target: 12 million × 6 = Rp 72 million
• Saving Rp 3 million/month → requires 24 months

Where to keep it?

An emergency fund is not an investment. The principle is liquidity — it can be withdrawn within 24 hours without penalty. Standard recommendation: bank savings for 1 month, short-term deposits or money market funds for the rest.

Do not put it in equity mutual funds, stocks, or instruments with high volatility. The value may drop just when you need to withdraw it.

Most families we encounter already have protection — the issue is not that they do not have it, but that it is not properly placed. These five mistakes appear repeatedly.

1. Insuring the wrong thing

Children are often insured before the head of the household. Yet the biggest financial risk is not if the child gets sick, but if the primary earner cannot generate income. Protection priorities follow cash flow, not emotion.

2. Premium is too low

Sum Assured (SA) is often "made up" — for example, Rp 100 million. Yet to replace a Rp 15 million/month income for 10 years (to give the family time to adapt), the ideal SA is around Rp 1.5–2 billion.

3. Combining protection + investment without comparison

Unit-linked (protection + investment in one policy) is not a bad product, but is often sold without comparing it to alternatives: term life + mutual funds. For many profiles, this combination provides greater protection at lower cost. The choice depends on discipline, horizon, and goals — not on which product is sold.

4. Not reviewing when conditions change

Policies are bought once and then left for 15 years. Yet income rises, obligations change, and installments drop. Review at least every 3 years, or when there is a major change (marriage, having children, home loans, job change).

5. Relying on a single source of advice

If all protection decisions are taken from a single agent selling one company, the perspective is limited. A second opinion from someone who does not sell products often opens up better options.

The best time to start retirement savings was 10 years ago. The second best time is today. Not because of a cliché — because of math.

Compound interest effect

Money invested now works for you over the coming years. The longer the time, the greater the effect. This is simple, yet rarely calculated.

Illustration: target Rp 5 billion at age 60. Investment return assumption 10% per year.

Why is the difference that large?

It’s not because you’re saving more — but because your money has less time to grow. At a 10% return, money doubles roughly every 7 years. Every 7 years of delay means losing one full growth cycle.

Reality: 10% might be optimistic

The number 10% is a fair long-term target for a stock-based portfolio. For conservative instruments like bonds or deposits, assume 5–6%. Monthly contributions become 1.5–2× the figure above.

The core point remains the same: time is the strongest variable, not the contribution amount.

How much life insurance coverage (UP) do you need? The answer "10× annual income" is a rule of thumb. The DIME method yields a more accurate figure.

What is DIME

DIME = Debt + Income + Mortgage + Education. The four components added together equal the total UP requirement.

D — Debt (non-mortgage debt)

All debts that must be settled if the breadwinner is no longer able to work: car installments, credit card bills, business debt.

I — Income (replacement income)

Monthly income × 12 × the number of years the family needs time to adapt. Conservative standard: 10 years.

M — Mortgage (remaining home loan)

The remaining home loan balance so the family does not lose their home.

E — Education (children’s education fund)

Estimated total education costs until the children finish college, adjusted for inflation.

Complete example calculation

Rina, 38 years old, income Rp 20 million/month, two children (10 and 6 years old), remaining home loan Rp 500 million, car installment Rp 150 million, no other debt.

Compare with the rule of thumb

If using the "10× annual income" formula: 20 million × 12 × 10 = Rp 2.4 billion. The difference is Rp 1.45 billion — quite significant.

The rule of thumb only calculates income replacement. Debt, home loans, and children’s education are often overlooked. The DIME method is more accurate because it accounts for real obligations.

Two people can both call themselves "helping you manage your finances," yet their approach can be vastly different. The difference is important to understand before entrusting your financial decisions to them.

Quick comparison

Why the difference is important

If your only tool is a hammer, every problem looks like a nail. A sales agent with one flagship product will tend to recommend that product, as that is the tool they have. It's not their fault — that is their work structure.

A financial advisor places products as one tool within a larger plan. Sometimes the most suitable product is indeed life insurance. Sometimes an emergency fund first. Sometimes increasing the habit of saving without buying anything.

How to differentiate when meeting

There are three signs that usually indicate honesty:

1. The questions they ask. Is it about your condition first, or directly to the product features?
2. How they respond to "not yet". Do they push for closing that day, or respect your schedule?
3. Do they show alternatives. A good advisor will show other options, including different companies or even non-products.

At Prime Family

We deliberately position ourselves as a financial advisor, not a sales agent. This means our answer is often "you don't need a product yet." Our business model is built for long-term relationships — not for closing a single policy. That is the distinction we choose and maintain.

"When should I move from stocks to bonds?" is the wrong question. The right one is: "What proportion of each suits my age and goals?"

The 100-Age Principle

A classic rule of thumb: stock proportion = 100 – your age. The remainder goes into bonds/conservative instruments.

• Age 30 → 70% stocks, 30% bonds
• Age 50 → 50% stocks, 50% bonds
• Age 65 → 35% stocks, 65% bonds

Critique of 100-Age

This formula was created when life expectancy was shorter and bond returns were higher. For today's conditions, a more appropriate version is 110-Age or 120-Age. Age 50 → 60–70% stocks, not 50%.

Far more important than the formula

1. Goal time horizon. Money used in 3 years shouldn't be dominated by stocks, regardless of your age.
2. Income stability. A business owner with variable income needs a larger conservative reserve compared to a regular employee.
3. Emotional condition when facing declines. A portfolio with 80% stocks is useless if you panic sell when the market drops 30%.

Don't start with the formula. Start with your situation, then use the formula as a sanity check.

Term life and whole life are the two most commonly offered types of life insurance. Their difference isn't about which is better — but which is appropriate for your specific needs.

Fundamental difference

Cost curve

When term is more appropriate

• You have dependents needing protection for the next 15–25 years (school, mortgage)
• After that, dependents disappear or drop significantly
• You want maximum protection with minimum cost
• You have the discipline to save/invest separately

When whole life is more appropriate

• Protection needs are permanent (e.g., a child with special conditions who always needs support)
• Estate planning / intergenerational asset transfer
• Needs for a component of savings that must not be touched
• Special conditions (business succession, key person)

Common mistakes

Whole life is sold as the "best insurance + investment." However, in terms of pure investment return, whole life usually underperforms a combination of term life + equity mutual funds. This does not mean whole life is bad — but it must be chosen because of permanent protection needs, not because it is claimed as the best investment.How to Decide

Basic formula

DTI = Total monthly installments ÷ Monthly income × 100%

Example: income Rp 15 million, total installments (mortgage + car loan + credit card) Rp 6 million. DTI = 40%.

DTI Zone

The safe DTI number for banks is not the same as the safe number for personal finance.

With an income of Rp 15 million and a 30% installment = Rp 4.5 million, the remaining Rp 10.5 million must cover: living expenses, savings, emergency fund, protection, and future investments. Above 30%, savings are usually the first to be sacrificed.

What is often overlooked

DTI is calculated from

• fixed installments , but credit card debt with revolving terms also has hidden installments
• DTI based on basic salary can be misleading if the majority of income comes from unstable bonuses/commissions
• DTI does not account for other mandatory expenses (tuition, arisan, contracts) which are practically equally binding

If your DTI is already high

Three steps, in order:

1. Stop adding new debt (credit card, installment items)
2. Pay off the debt with the highest interest first (usually credit card → unsecured personal loan → installment items → home loan)
3. If possible, negotiate refinancing for the home loan (extending the term lowers the monthly installment, with the consequence of higher total interest)

Education fund planning often falls short due to one wrong assumption: calculating with current school costs, not the costs when the child enters school.

Education cost inflation

General inflation in Indonesia is around 3–4% per year. But education cost inflation is much higher: averaging 10–15% per year for mid-to-high-end private schools. Illustration

Your child is currently 3 years old. Planning to enter an elite private elementary school at age 6. Current elementary school entry fee: Rp 50 million.

Total realistic education needs:

Total needs Rp 1.6 billion, divided over 15 years with an average investment return of 8% per year. Estimated monthly deposit is Rp 4.3 million.

If that number feels heavy, three options:

Start earlier (if the child is under 3 years old)

1. Consider school options that are not as expensive as the illustration
2. Accept that part of the education funds will come from active income at that time, not just from accumulation
3. Suitable instruments

Since horizons vary by phase, the instruments also vary:

Elementary school fund (3 years) → deposit, fixed income mutual funds (conservative)

• Junior high school fund (9 years) → balanced or equity mutual funds (higher return)
• High school + college fund (>10 years) → predominantly equity mutual funds
• Dana SMA + Kuliah (>10 tahun) → dominan reksadana saham

The further the horizon, the greater the volatility tolerance.

Estate planning is not just about how much you leave behind — but how and to whom. The following four steps are a general framework that can be adapted to each family.

1. Asset Inventory

Create a complete list: property, investments, savings, insurance policies, business ownership, digital assets, debt. Most inheritance disputes occur because heirs do not know what exists and where.

2. Determine Beneficiaries

For specific assets (life insurance, joint accounts, retirement funds), the beneficiary is recorded directly with the institution. This overrides a will. Ensure beneficiary data is up-to-date, especially after marriage, the birth of a child, or divorce.

3. Structure Transfer Instruments

There are several legal instruments available in Indonesia:

• Intermittent Gift — asset transfer while the giver is still alive, helping to avoid inheritance complexity
• Will (Testament) — a formal document explaining asset distribution
• Life Insurance with Specific Beneficiaries — liquid funds, outside the inheritance process
• Trust / Family Foundation — for complex conditions such as business asset protection, minor heirs, or philanthropic goals

4. Communicate with Heirs

This is the part most often avoided. Yet heirs who do not know what is planned often make decisions contrary to the giver's intent. Honest conversation — however uncomfortable — reduces future conflict.

Common Errors

• Postponing because "still young" — estate planning is not about age, it's about proactive decisions
• Relying fully on a verbal will — in the eyes of the law, a written document is stronger
• Not accounting for taxes and inheritance processing costs
• Placing all assets under the name of a single "trusted" heir for distribution — often leading to disputes

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