That way, there's no arguing about net worth, etc...
https://www.mass.gov/news/4-surtax-on-taxable-income-the-bas...
Hell, make it revenue neutral—use it to cut everyone else’s taxes by a per-capita amount. (About $875/voter/year [1].)
[1] https://en.wikipedia.org/wiki/California_locations_by_voter_...
Just making a point about the poor handling of existing tax income and spending discipline, as well as the very arbitrary nature of these tax-seeking initiatives.