Hyperinflation (Especially unrealiable hyperinflation) is an untenable state of affairs. Nobody lends, hedging is impossible, and cash becomes worthless.
Moderate amounts of inflation (Under 10%), on the other hand, has worked 'fine' for the better part of a century.
Prices would literally go up two or three times a day. If you had Zimbabwe dollars, you would try to get rid of them as fast as possible, either by exchanging them on the black market, or by buying something. If you waited until the next day, you would lose a lot of money.