Profit
Age 7+Money left over after you pay for everything. Income minus expenses.
At a glance
Profit is the money left over after you subtract all costs from what you earned. Revenue minus expenses equals profit. Profit is the engine of every business — without profit, the business eventually closes. Kids who calculate profit on a real lemonade stand have already learned the most important business concept most employees never fully grasp about their own employers.
Example sentence
"You sold $10 of lemonade and the cups cost $2. Your profit was $8."
Why this matters for kids
Profit is the heart of every business that exists, and the concept is small enough to teach with a $10 lemonade stand and big enough to drive entire economies. A kid who runs a lemonade stand and calculates the profit themselves — sold $10, supplies cost $2, profit is $8 — has understood the basic mechanic that determines whether every business they'll ever interact with stays open. They also start to see the "cost" half of the equation as a real lever: cheaper supplies = more profit, faster table turnover = more profit, smarter pricing = more profit. That's real economics taught in fifteen minutes by lived experience. Beyond business, the same framework applies to personal finance: net income (after taxes) minus expenses equals "profit," sometimes called net savings rate, and that's the number that determines whether someone's wealth grows over time. Adults who track their own personal profit rate save dramatically more than adults who don't — same lemonade-stand math, just bigger.
How to teach it
Run a kid business with them — lemonade stand, yard sale, snow shoveling, pet-sitting, selling outgrown toys. Track revenue and costs together with paper and pencil. At the end of the day, calculate profit by subtracting costs from revenue. Give them the profit and watch what they do with it. The arc — earn revenue, pay costs, take home profit — is the entire framework of business in microcosm. For older kids, introduce the difference between gross profit (revenue minus direct costs) and net profit (after all costs including overhead, marketing, time). A lemonade stand that takes 4 hours to run for $8 profit is paying the kid $2/hour, which is below minimum wage. That uncomfortable realisation is the start of understanding why scale matters in business. For tweens, introduce the concept of profit margin (profit as a percentage of revenue) — "your stand made 80% margin, way better than a typical restaurant at 10%." That comparison opens the door to evaluating every business they encounter as adults.
Common misconceptions
- Revenue equals profit. Revenue is what you earned; profit is what's left after costs. They're often very different numbers.
- A bigger business has more profit. Not necessarily — Amazon ran for years at thin or negative profit while Apple ran at huge margins. Size and profit are independent.
- Profit is greedy. Profit is what keeps a business alive. No profit, no business — and no business, no jobs.
Related terms
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