👉 Uncostliness is a concept in economics and sociology that refers to the absence of cost or expense associated with an action or decision, typically because there are no additional costs or expenses involved. In other words, it is the absence of financial or material costs associated with making an investment, purchase, or service choice. For example, if someone buys a new car, they may not incur any actual costs for gas, maintenance, repairs, or insurance. However, they still pay for the car's value