Budgeting: Give Every Dollar a Job

The problem with a full wallet

Let’s say your grandparents give you HK$500 for your birthday. What happens?

Option A: you spend HK$50 on a snack, HK$100 on a small toy, HK$80 on stickers… and a week later, the money’s gone and you can’t remember where.

Option B: you decide before the money arrives what each dollar is going to do. That’s called a budget.

A budget is just a plan that says: “Out of every dollar I get, I’ll spend some, save some, and give some.” It sounds boring. It’s the secret weapon of anyone who’s ever become wealthy.

The 3-bucket system for kids

Here’s a simple version that works beautifully at any age:

Bucket	Job	Typical %
Spend	Stuff you want right now — snacks, small toys, outings	50%
Save	Big goals — a game, a bike, a new hobby, eventually university	40%
Give	Helping others — gifts, charities, causes you care about	10%

These are just starting numbers. You can change the mix to fit you. The key rule: the three percentages must add to 100%. Every dollar gets assigned.

Try different mixes

Use the sliders to decide how your weekly allowance should be split.

Weekly allowance (HK$)

Spend now 50% HK$50

Save 30% HK$30

Give 20% HK$20

Experiment. What happens if you crank “Save” way up? How long would it take to save for something big?

Why “Save” matters more than it looks

Imagine you save HK$20 every week.

After 1 month (4 weeks): HK$80
After 6 months: HK$480
After 1 year: HK$1,040
After 3 years: HK$3,120

Three years sounds forever when you’re 9, but that’s enough to buy a really nice bike, or a great camera, or take a family member out for a fancy birthday dinner yourself.

And we haven’t even talked about interest yet (next lesson!).

The “give” bucket is small on purpose

Even a tiny “give” percentage changes how you think about money. You start noticing causes. You give a gift that actually cost you something. You learn that money isn’t only for yourself.

10% is a good default. Some families do 5%, some 20%. The amount matters less than the habit.

Wants vs. needs

When you plan a budget, a grown-up skill is to tell needs from wants.

Needs	Wants
Food (to not be hungry)	A fancy snack
Water	Bubble tea
Shoes that fit	A new pair of shoes because the old ones look boring
Going to school	A new school bag when yours still works

For kids, your parents pay for most needs. Your allowance is mostly about wants — which means you get to practice the hard question: “Do I really want this?”

The most important rule: track it

A budget only works if you write down what you actually spend.

Before: “I’m going to spend HK$50/week on snacks.”
Reality: You spend HK$70. The plan failed.

That’s not a disaster — it’s data. Next week you either (a) try harder to stay under 50, or (b) accept that snacks are really HK$70 and adjust another bucket.

You’re not bad at budgeting. You just haven’t learned what your numbers actually are yet.

Practice

In the 3-bucket system, what's the job of the 'Save' bucket?

What's the rule about the three percentages?

You get HK$200/week. You plan 60% Spend, 30% Save, 10% Give. How many HK$ go into the Save bucket each week?

If you save HK$30 per week, how much do you have after 10 weeks?

Which is MORE likely to be a 'need' than a 'want'?