Proposition 13 exists because cities refused to control their spending. Solve that problem before asking to water down or eliminate proposition 13. For example

Proposition 13 exists because cities refused to control their spending. Solve that problem before asking to water down or eliminate proposition 13. For example, the total value of the city budget could be expressed in dollars per resident, and this could be prevented from increasing without a vote by the residents. The property tax rate then varies as required to exactly satisfy the city budget.