Cash. When things get tough, cash is king. If the total stock market falls 30%, cash holds its value. When bonds fall 10%, cash holds its value. Call it a security blanket. But it can be an expensive blanket. The expense comes in the form of inflation. The problem is, as the cost of goods and services rise, cash stays flat. It loses its purchasing power over time. A $10,000 “stack of high society” tucked...