I am connecting these dots in my mind, so maybe that's not the cement siding being eliminated.  

If you only worked as an independent contractor, you would eliminate the "50% time spent" hurdle.

I would get a sturdy table and place a larger than College dorm refrigerator (but not a full size Refrigerator) on it, a small apartment size electric stove (eliminates the gas line) , place a stand up 5 shelf in the kitchen for pots and pans and dishes. 

The LA times article said the tax would get reduced every year after the third year until it is completely eliminated at year 7.

Thus, the owner owes an affirmative duty to inspect the premises and is required to discover and eliminate dangerous conditions, to maintain the premises in safe condition, and to avoid creating conditions that would render the premises unsafe.Owners of a premises are generally not liable for injuries caused by a defect if they have no actual or constructive notice and no reasonable opportunity to discover the defect . . .

In that scenario above, If you pay the first 10% off the top and then split the remaining bill into 4 ways evenly, each tenant would pay 22.5% of the bill...this is my favorite way because it fully eliminates complaints about one tenant using more water than another and everyone becomes more mindful about their water usage.

Take advantage of owner occupant loans, eliminate your mortgage expense and free up your budget to scale your investments faster. 

It eliminates the need to pay for/juggle a PM software and a general accounting software (like QuickBooks or Xero).

I would not eliminate the pet fee for the remainder of the lease.

This results in removing the lender mandate to purchase flood, and thus eliminates your yearly flood expense.