I ran across this cool program by Sears (Sears Home Warrantly) where they will cover up to 21 items at a monthly rate of $70 bucks and a deductible when you file a claim.

Scavella Jr, if you are looking for financials to start plugging into an underwriting model, you can go to many, many broker sites to sign up for free: CBRE, Cushman Wakefield, Berkadia, etc.But, it sounds like you want actual deals.  

It's mostly just math so you can model the scenarios in which you hang onto that loan and its low rate and compare it to the scenario in which you refi it into another loan with a higher interest rate.

expenses fall into one of two buckets.Expenses that need to be pro-rated - These are expenses that is one amount and benefits both the main home and the ADUExpenses that are only applicable to the ADU - These are items such as repairs/supplies to the ADU.

The roads are currently gravel and I'd like to model in some capex for paving the roads once acquired.

The pump had failed multiple times due to folks flushing inappropriate items (wipes, qtips etc)We would annually pull the pump and service and clean it.

Repair the items that came up from the inspection report. 2.

In some states the lease automatically ends with the death of a tenant, but in others it continues and the estate is liable for the rent.If the lease terminated, contact whoever is handling the estate and arrange the removal of the items.

What are some due diligence items I should request or be aware of?

If your model shows too low of returns, adjust your purchase price.