Most simply don't have it and or also have very limited sales and closings skills ..

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. 

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

Every time I enter into an agreement to purchase I have the following: Exclusive irrevocable possession and occupancy shall be delivered to Buyer, Buyer’s Assignees, or Buyer’s Agents at 5:00 PM on  the date this agreement is signed by Seller,  on the date of Close of Escrow,  on ________________, 20______ or  no later than ___________ days after Close of Escrow.I have collected my fair share of cash for keys in SS where the lender tries playing God.  

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.  

There is no answer, there are simply alternatives. 

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

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.