There is a value of each and everything, then it can not give it for free; I do not agree with you. Yes I know. Back in the days there were business things.
Money is just a convention used to regulate commercial transactions. In ancient times, it was useless because people living in small villages, trade did not develop so they traded between them. If everyone has what they want, there can be no problem if the whole society helps. Since everyone gets what they want, there may not be many problems. Unless most become lazy ... What if you wanted to buy a car, but it would cost 10,000 pieces of bread? That would be very difficult to implement. thank you