Not to reply against you, just to add clarification. This is the reason why a slightly positive inflation rate is normally targeted. Theoretically, it would be entirely possible to target 0% inflation, but then you are so close to possible deflation, that most people would simply save up money instead of buying things from the economy.
>"that most people would simply save up money instead of buying things from the economy."
And making it not an option leads to the situations where rich buy assets that are only go up and become richer. Average Joe meanwhile does not own assets and gets poorer and poorer