If you feel you can bill separately for water if metered you should have no issue simply adding a flat water fee and I’d imagine the $17,800  could go a long way in a 2 unit building for upgrades that would have a greater impact on revenue. 

The only thing it doesn't provide is the depreciation amounts but I just manually calculate and then enter them into the "notes" section.

-How is this any different than simply leasing out individual rooms, or a guest house in a single family home? 

Lenders can use legal ADUs to help qualify for the mortgage, so people that didn't even want to house hack before, may be in the market to do so simply to afford the type of house they want. 

Maybe the market is hot enough that you could still turn a profit selling as is, but typically, sellers will ask you to take care of them before closing AND likely pay less for the property simply because there are known defects.

You simply cannot rely on Tenants to accomplish this.

In over-saturated areas like Scottsdale, hosts are often asked by guests to discount their nightly rates (especially for extended stays) and many hosts accept the discounted rates because they know that if they deny the request, the guest will simply book with a different host that will extend a discount.  

If you don't wish to add, you are simply being a troll.

There is no answer, there are simply alternatives. 

If this is an estimated tax payment for your tax return you file in 2025, they certainly aren’t going to place a lien for simply not making that payment on time.