AT COST is a term used to describe a purchase or service that is provided at the exact cost of the item or service, without ANY additional fees or charges. ANY is a three letter word meaning 'anyone or anything'. FREE is a four letter word meaning 'without cost or payment'. ITLL is a four letter word meaning 'it will'. Therefore, AT COST can be summarized as a purchase or service that is provided without ANY additional fees or charges, available to anyone, and will remain that way.