Is extensively accepted to necessarily mean at no monetary Expense. Its use is suitable in marketing or speech and its use is comprehended to suggest no financial Price. I'd personally only alter the use within a situation exactly where clarity and accuracy were being genuinely important, like in a contract. https://docs.google.com/document/d/e/2PACX-1vR1aRmbt0UmT4gxVq4IXbfDVfh2KrMfGfIz30gs2kLcIKk8h4EVktV5g2U8cNCzOTBSOZHhUqlkGaRY/pub