Medicare has different out-of-pocket costs, including premiums, deductibles, copayments, and coinsurance. Copayments are fixed dollar amounts, and coinsurance is a percentage of the cost. You may ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. MoMo Productions / Getty Images The coinsurance formula is the homeowners insurance formula ...

Discover how an agreed amount clause works in property insurance, its benefits by waiving coinsurance, and see a practical example. Learn how it affects your coverage.