Conversations worth having: The Supermarket Lesson

15 October 2026
| by
Warren Dunne

A question we hear from families

Children learn a great deal about money by watching ordinary decisions.

Parents and grandparents often ask us how to start talking to children about money without it feeling like a lecture. One of the simplest places to begin is the weekly shop. A supermarket trip can become a practical lesson in a few minutes, and it lets a child practise a real choice while the stakes are low.

‍

1. Before you go in: choose one real decision

Pick one small decision the child can genuinely influence, such as snacks for the week or the ingredients for one meal. Give them a clear amount to work with and let them know the choice is theirs within that limit.

2. Ask three questions as you shop

  • ‍What do we need?
  • What are we choosing because we enjoy it? Wants are fine, but they are a choice rather than a necessity.
  • If we buy this, what might we wait for? Every dollar spent on one thing is a dollar that is not available for something else.

3. Trade-offs, not the cheapest basket

The point is not to find the cheapest possible basket. It is to show that money involves trade-offs and that different choices can both be reasonable. A child who chooses a more expensive cereal and fewer snacks has made a perfectly sensible decision, provided they understand what they gave up to get it.

Simple tools to use in the aisle

  • Compare the prices of two similar products.
  • Look at the unit price, such as the price per 100g, to see which offers better value.
  • Point out specials and ask whether it is something you would have bought anyway.

Tap and pay is still real money

Children often see purchases made with a card, phone or watch and never see money change hands. Explain that tapping still uses real money from a bank account, and that each purchase leaves less to spend or save.

‍

Adapting It by Age  

‍Matching the lesson to the child

Money conversations change as children grow.

What works for a young child will be different to what works for a teenager. The same supermarket trip can be scaled up over time as their confidence builds.

  • Younger children: Compare two items and talk about which is a need and which is a want.
  • Primary school: Give a set amount for the week’s snacks and let them choose within it, using the unit price to compare.
  • Teenagers: Ask them to plan one family meal, write the shopping list and see what the ingredients actually cost at the checkout.

4. After the shop: the conversation that matters

The conversation afterwards may teach more than the purchase itself. Keep it short and curious rather than corrective.

  • What surprised you about the prices?
  • Are you happy with what you chose?
  • What would you do differently next time?

If they overspent or regretted a choice, that is a useful outcome. A small mistake with snack money is a far cheaper lesson than a larger one later in life.

‍

Your Next Shop  

A simple checklist to try this week

The best money lessons are short, calm and repeated.

  • Before and during the shop: Choose one decision the child can own. Set a clear amount. Ask the three questions as you shop. Compare two items using the unit price.
  • After the shop: Ask what surprised them. Ask what they would do differently. Repeat next week with the same or a slightly larger decision.

‍

Final Thought

Money conversations work best when they are calm and repeated.

Small choices today. Confident decisions tomorrow.

A child who gets to practise with a small choice today is building the confidence to handle larger choices later.

Many of the families we work with are also thinking about how to prepare the next generation for larger financial responsibilities. If that is a conversation you would like to have, we would be happy to help.

Know a parent or grandparent who might try this on their next shop? Feel free to pass it on.

‍

‍

Important Information

This article contains general information only and does not take into account your objectives, financial situation or needs. It is not intended to constitute personal financial advice.

Before making any financial decision, you should consider whether the information is appropriate to your circumstances and seek personal advice from a licensed financial adviser if required.

Any taxation, legal or estate planning matters discussed are general in nature and should not be relied upon as professional advice. You should seek advice from appropriately qualified professionals regarding your individual circumstances.

Sentinel Wealth Management Pty Ltd ABN 69 112 087 475 AFSL 336426, trading as Velaris Private Wealth.

‍

Insights

More Insights

Insights shared with clarity

Thoughtful perspectives on investing and wealth, decision-making and purpose.

Conversations worth having: Try an ordinary Tuesday before you retire

Conversations worth having: Try an ordinary Tuesday before you retire

Retirement is about more than money. Before you stop working, try an ordinary weekday with no meetings, deadlines or plans and see what retirement might actually feel like. This practical exercise can reveal how much structure, purpose, connection and spending matter in your future lifestyle.

Read article
Use laws of nature to accumulate wealth

Use laws of nature to accumulate wealth

I’m in the Kruger National Park in South Africa during a short holiday and as I watch an unlucky buffalo being eaten by 14 lions, I’m reminded of how stark the laws of nature can be. There’s no room for sentiment: Eat, avoid being eaten and protect the next generation – that’s it. The rules are clear and breaking them usually means death.It made me wonder whether we - as human animals - are a little too smart for our own good. Maybe applying the rules of nature would make life not only simpler, but also more successful.

Read article
Goals are for people who want to win once

Goals are for people who want to win once

The Rugby World Cup Final is being played overnight and either South Africa or New Zealand will create history by winning it for the fourth time. Ireland and France are two great teams who have fallen short, by the smallest margins. In fact, there is no difference between these four teams.South Africa and New Zealand are rugby nations.

Read article

Heading

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

Read article