How to use it
- Use the formula below with your own figures.
The formula
Price = original × (1 − discount%).
Worked example
20% off $50 is $40, saving $10.
Frequently asked questions
Stacked discounts?
Apply one after another, not added together.
Before or after tax?
Discounts usually apply before tax.
Tips
- Automate the boring parts of your budget.
- Compare unit prices, not package prices.
- Small recurring costs add up over a year.
Key terms
- Net worth
- Assets minus liabilities.
- Budget
- A plan for income and spending.
- Unit cost
- Price per single unit.