How many ex-husbands do we have out there? How much do we pay cumulatively for child support/alimony? Have you become accustomed to your diet of Hot Pockets and sleazy Bud Ice yet? Remember the good old days when it was NY strip steaks and Blue Moon at the worst?
Since death is too swift (and illegal), plot some anonymous revenge instead.
You know what they can't put a price on? Sanity. And, well plotted, slow moving revenge.