Extended Warranties: How to Judge Whether One Is Worth It
An extended warranty is a bet on repair costs. Learn how to weigh its price against repair odds, existing coverage, and savings before you sign up.
Everyday Money
Unit prices, inflation, renting versus buying, sales tax and VAT, and extended warranties.
Sales Tax vs. VAT: How Each One Works
Sales tax is charged once at the final sale, while VAT is collected in stages along the supply chain. Here is how each system works, with a worked example.
Renting vs. Buying a Home: Comparing the Costs
Compare the true costs of renting and buying a home, from down payments and maintenance to opportunity cost, with a clear side-by-side worked example.
How Inflation Affects Your Purchasing Power
Inflation means each dollar buys a little less over time. See how rising prices erode purchasing power, savings, and wages, with a simple worked example.
How to Compare Unit Prices When Shopping
Learn how to divide price by quantity, match units, and spot when a bigger package is not actually the better deal on your next trip to the store.