"the typical home warranty costs $450 annually, and only 25% of premiums are paid to homeowners.

N these markets the ADUs in SZ zoned areas typically are given a value by appraisers far less than the cost to add the ADU.  

Some DSCR lenders will allow the proposed income to qualify, but needs to be able to pass an appraisal.

Your experiences and insights can be invaluable in helping me make an informed decision.Please feel free to share your thoughts, experiences, or any relevant information.

If it is a viable option, any idea of the rough costs involved?

How about the monthly recurring cost?  

If you have questions regarding the Cincinnati market, feel free to reach out.https://forms.gle/qHxKhC2vJQAsbAAF9

Which one of the paid lead generation sites are you finding most effective for getting lead lists and which mail houses are the most cost effective? 

What were the total costs of this project?

If you already have two tenants, that means your rental unit has been approved..your tenants are screened (since they have to be screen through the housing authority) and you get to promote your rental place for free?