How much fraud we talking? I like to think along Matt Levine's ideas that at least some amount of fraud is acceptable - there will always be some amount of it and under or over-regulation creates a net-negative.
For sure. Probably should be using the total homestead exemption eligibility as the denominator instead of prop tax receipts. Even then transfer tax is a "hill" and the homestead exemption is a "valley." But It's hard enough to estimate any of this data from a keyboard in a few seconds