The value of the USD, like anything else, depends on the amount of it. If you create a lot of it out of thin air, eventually it's going to be worth less once th

The value of the USD, like anything else, depends on the amount of it. If you create a lot of it out of thin air, eventually it's going to be worth less once that money gets into circulation, unless you also created a bunch of goods and services out of thin air so its relative worth (dollars in circulation per good/service in the economy) didn't change.