The cheapest thing isn’t always the best value.
Two pairs of shoes, one cheap and one expensive. Or a gadget you keep thinking about buying. Sometimes the better question isn’t just the sticker price.
Let’s compare what each might cost every time you actually use it. No secret product database, just your numbers.

Compare two things you’re thinking of buying
This works for shoes, coats, tools, small appliances, bags, anything you can reasonably count uses for.
Cost per wear is simple. Guessing how often you’ll wear something isn’t.
Take the purchase cost, add expected lifetime maintenance, and divide by the number of uses. A $120 pair of shoes used 120 times costs about $1 per wear before upkeep. If you wear them only four times, the same pair costs $30 per wear.
Compare two real options with different lifetimes, rather than judging either one in isolation. Also consider comfort, repairability, storage, environmental impacts, safety, and whether you’d actually enjoy using it. A low number isn’t permission to buy something you don’t need.
Try an honest estimate
If you already own something similar, think back to how often you used it last year. For an occasional wedding outfit, don’t enter ‘twice a week’ just because you hope to wear it more. For a tool, consider whether you can borrow or rent it if you’d only use it once or twice.
The calculations use your figures; they are not product prices pulled from any retailer or predictions of useful life. Taxes and shipping can be included in the price you enter. Resale value isn’t counted because it can be hard to predict.
When does a more expensive option win?
When the extra useful life spreads its cost over enough uses. But quality and durability claims deserve evidence. Always check warranties and the manufacturer’s care recommendations.
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