Everyday Money Habits · Classroom packet
Find the leak.
Most budgeting advice is a stack of tips: skip the latte, cancel the subscriptions, track everything. This packet does something narrower and more useful — it shows a group where the money actually went last month, then finds the part nobody decided on. Money doesn’t vanish; it drifts to whatever’s easiest when no one’s assigned it a job. Sort one month together, add up the small stuff that “just happened,” see what that quiet leak is worth by retirement, and everyone leaves with one move.
Lead a group through one month of spending — sort it into three piles, find the small “just happened” slice nobody decided on, see what that leak is worth by 65, and name one dollar to give a job.
You're running a class, small group, or kitchen-table session for people whose money “just disappears,” and want a no-prep handout that shows where it actually goes.
For the leader
Anyone can run this — a teacher, a small-group or mentorship leader, a parent at the kitchen table — for two people or a full room. No math background needed. Four beats:
- Open with the question — don’t name the idea yet; let the room argue which pile would be bigger, then reveal the sentence.
- Sort one shared month into three piles — the reveal is how much landed in “chose it” without anyone choosing.
- Add up the “just happened” lines and run that one number out to what it’s worth by 65.
- Before you close, everyone names one dollar to give a job — a savings transfer, a canceled subscription — and a date.
- 0–4 Open with the question; then name the idea.
- 4–14 Sort the month — three piles, one box each.
- 14–19 Find the leak; run the number.
- 19–23 Find your spot — tick the personal check.
- 23–27 Talk it through.
- 27–30 One move each.
“We’re going to look at one month of spending together — not to feel bad about any of it, but to see where the money went before we decide anything. The numbers on the sheet are made up, so nobody has to share their own.”
The month on the sheet is fictional on purpose — work it as “this person’s” month, never anyone’s own numbers. Don’t ask anyone to read their own account out loud; the point lands just as well on the sample, and nobody should feel put on the spot about what they spend.
When someone brings up a bill that only lands once or twice a year — insurance, a registration, holiday gifts — from their own month, not the sheet, that’s the annual ambush. The fix isn’t to cut it — it’s to give it its own monthly line so the cash is already waiting when it lands. It tends to surface in the discussion; name it there.
This is about seeing where money goes — not diagnosing anyone. If someone’s in serious trouble — behind on rent, using one card to pay another, or in debt they can’t see a way out of — that’s past what a 30-minute group can help with, and it’s worth one-on-one help. A non-profit counselor accredited by the National Foundation for Credit Counseling (nfcc.org) works with tight budgets for free or close to it. Point there rather than working it out in the room.
Same session, three changes for a full room, plus one for this session:
- It’s 25–30 students, not a small group. Swap the round-robin close for think-pair-share — everyone writes, pairs trade for a minute, you take four or five out loud.
- A class period runs past thirty minutes. Spend the extra time on the optional case — it’s the best discussion of the hour, not a throwaway.
- Some of them have no income yet. Reframe the closing one-move step as “the first month you…” — a dated intention, not homework they can’t do.
- Make the sample theirs. Swap two of the sort lines for a student month — a streaming stack, in-game or app purchases, delivery from campus — so the “just happened” pile is one they recognize.
1 · The whole idea, in one sentence
If you sorted everything you spent last month into two piles — I meant to spend this and I don’t remember deciding to — which pile would be bigger — and could you name what went into the bigger one without looking it up?
Money doesn’t wait for you to decide where it goes — so give every dollar a job before the month starts, and none of it is left to drift.
Here’s the whole session. Money that doesn’t have a job doesn’t sit still and wait — it drifts to whatever’s easiest and closest, one small charge at a time, until the account’s empty and you can’t say where it went. A budget isn’t a list of things you can’t do; it’s the decision made in advance, so your money lands where you meant it to instead of wherever you weren’t looking. The next few minutes find the drift in one month — then close it.
2 · Sort the month
Here’s one month of spending. Read the three piles once as a group — then sort each line by writing its letter (H, C, or S) in the box. Don’t overthink it; a fast, honest pass is the whole point.
- Has to happen — the bills that arrive whether you decide or not — rent, groceries, insurance, the phone.
- Chose it — anything you spent by choice — a want, an upgrade, something you decided to buy.
- Sent to savings — money that left checking and became savings or an extra debt payment — not just “what was left over.”
One hint, since it’s the surprise every time: watch how much lands in “chose it.” Not all of it was really a choice — some you’d make again, and some just happened. That gap is what we look at next.
3 · Find the leak, and run the number
Look at the “chose it” pile. One line was a decision you made on purpose — the $70 dinner you planned and would choose again. The other three weren’t decisions at all; they just happened. Add them up:
- The leak forgotten subscriptions ($40) + delivery fees ($95) + convenience rides ($65) = $200 in one month that nobody chose.
- In hours at $20 an hour take-home, that’s 10 hours of work — gone before anyone decided where it should go.
- At 65 that same $200 a month, given a job instead — invested at a 7% return after inflation from age 30 — grows to roughly $360,000 in today’s dollars.
Illustrative — the shape, not a projection: 7% is a reasonable long-run return after inflation, and “today’s dollars” means what it would buy, not the bigger number on a future statement. None of it means never order dinner. It means the leak isn’t small, and it isn’t free — it’s a decision nobody got to make.
4 · Find your spot
Now make it personal. Tick what’s already true for you. The first unchecked box, reading top to bottom, is the move worth making next.
- Before I build a budget number, I look back at one month first — my actual statement — instead of guessing what I spend.
- Every dollar of my take-home has a job I gave it before the month starts, so there’s nothing left unassigned to drift.
- My budget has a real number for fun, even a small one — I don’t set “wants” to zero, because that’s the budget that gets abandoned.
- I catch the once-a-year bills — insurance, registration, gifts — by giving each its own monthly line, so they stop ambushing the month they land.
- I have one automatic transfer to savings that leaves on payday, before anything else has a claim on the money.
The one people skip most is the third — a real number for fun. A budget with zero room for anything you enjoy feels virtuous for about three weeks, then blows up in one weekend. Permission is what makes a plan last.
5 · Talk it through
- A bill that only lands once or twice a year — insurance, a renewal, holiday gifts — can make a single month look way off. How many of those “surprise” expenses are really predictable, and where should they live in a budget so they stop ambushing the month they land?
- Is a budget a set of rules that tells you no, or a plan that tells your money yes? Where’s the honest line between a budget that’s too loose to work and one so tight it gets abandoned by week three?
- Look at your own “just happened” pile from the sort. Which single line, if it had needed a decision before the money left, would you have kept — and which would you have skipped?
A case to argue
A friend starts budgeting and cuts every “want” to zero the day they begin — no dining out, no subscriptions, nothing fun — determined to fix everything fast. Three weeks in, they blow the whole month in one weekend and tell you budgeting just doesn’t work for them.
What would you tell this person?
6 · One move, this week
The outcome is a single line: one dollar I’ll give a job. Do that one thing this week — set an automatic transfer the day after payday (to savings while you’re still building a cushion, to a retirement account once it’s covered — investing is what turns $200 into the number from Part 3), cancel a subscription you found in the sort, or give “wants” a number for next month. If you’d rather do the full plan on paper, the monthly budget worksheet is the forward version of this look-back. Go around the group; each person names their move and a date.
Answer key · for the leader
Keep this page back, or hand it out after the sort. The point isn’t a perfect score — it’s that most of the month sorts itself in seconds, and the surprise hides inside “chose it.”
- Rent — $1,150 — Has to happen (H). A fixed bill you can’t skip this month — the floor the budget is built on.
- Groceries — $360 — Has to happen (H). Food you have to buy. Groceries flex a little, but the category isn’t optional.
- Phone & utilities — $130 — Has to happen (H). Keeping the lights on and the phone working — a bill, not a choice.
- Car insurance — $140 — Has to happen (H). Required to drive; the amount is set by the policy, not the month.
- Transfer to savings — $250 — Sent to savings (S). The one line that builds the future — money that left checking on purpose and stayed gone in the good way.
- Dinner out with friends, planned — $70 — Chose it (C) — and decided on. A want you chose ahead of time. This is what a budget is FOR — spending you’d choose again with your eyes open.
- Two subscriptions you forgot you had — $40 — Chose it (C) — but just happened. Two services you don’t use and forgot were billing. Nobody decided to spend this; it decided for you.
- Delivery fees & late-night app orders (nine small charges) — $95 — Chose it (C) — but just happened. Nine small charges, none of them a decision — the clearest picture of drift there is.
- Rides you’d have skipped if you’d noticed — $65 — Chose it (C) — but just happened. Convenience you’d have passed on if a number had asked you first.
Four lines are H, one is S, and four are C — but only one of the four (the $70 dinner) was chosen on purpose. The other three — forgotten subscriptions ($40), delivery fees ($95), convenience rides ($65) — add to $200 nobody decided on. That’s the leak: not overspending on purpose, just money drifting where no one assigned it.
The $200 leak is about 10 hours of work at $20/hour take-home, and — given a job instead and invested at a 7% return after inflation from age 30 — roughly $360,000 in today’s dollars by 65. Keep it descriptive: it’s the shape, not a forecast, and the lesson is that small undecided money adds up, not that any one order is wrong.
The friend didn’t fail at willpower — they built a budget with no permission in it, and a plan with zero room for anything fun is the one that breaks. The honest carve-out: cutting wants to zero is a legitimate temporary tool — a sudden income drop, a debt emergency, a set number of weeks with an end date. As a permanent setup it invites exactly this blowout. A strong answer: assign a number to “wants” on purpose, even a small one, instead of assigning zero and hoping willpower covers the rest. That’s the point of the third checklist row. Drawn from the first-budget Moment on the site, if a leader wants the full version.
For most people the “I don’t remember deciding to” pile is bigger than they expect — which is the whole point: a budget doesn’t start with cutting, it starts with seeing. A strong answer names it: “I’d look back at one month first, so I’m budgeting off what happens, not what I imagine I spend.”
Based on the first-budget lesson.
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