I'll wing another retaliatory strategy out there,

Suppose we chose a week or a month in which everybody made cash withdrawals from savings and buried them away for a period of time. If some thousands of people did it we might make some waves on the financial markets. we might even create a panic if it's done with a twist.
Now I know we'll likely attract home invasion robberies after the criminal element tries to take advantage of the situation, but hell, I see that creating yet another opportunity