This problem can be addressed if incomes are indexed or rise with inflation. High inflation tends to be more variable and hence unpredictable. This makes it difficult for business people to plan. People running a business find it hard to know what they will have to pay for raw materials, transport, and wages in the future. They may also find it difficult to decide what to charge for their products in the future.
Inflation makes it difficult to see what a price increase really means.
When one price rises and all others stay the same, this is sending a signal to the market. However, if a price rises during a period of high inflation, it is hard to tell if it is a signal or if it is due to inflation. If the price increase is due not to inflation but to increased demand for lemons, it would be worthwhile for Kim to try and sell more lemons. Inflation can hurt savers. When you put money into a savings account, your reward is the interest your money earns.