Allot your expenses to what you have, not what you expect. (English) It is necessary that the one who seeks gain should incur expense. (Roman) It is the petty expenses that empty the purse....

In common usage, an expense or expenditure is an outflow of money to another person or group to pay for an item or service, or for a category of costs. For a tenant, rent is an expense. For students or parents, tuition is an expense. Buying food,...