The broker sounded about 90 years old and was slow and had poor comprehension so the details are not clear.  

Make sure that they get you the current zoning, comprehensive plan zoning, adjacent lot zoning, all required set backs, maximum density (how many units per acre), possibilities of development (detached SF with ADU, Town houses, Row houses, etc), possibilities of any critical areas, and any other concerns that they may have regarding the property.

I still can't believe there isn't a carrier willing to write a comprehensive policy for this side of real estate.

@Marcia Maynard - Thank you for that lease clause- I have one similar but this is more comprehensive.

But some wholesalers do offer "hybrid" deal where they offer to handle the rehab and otherwise provide comprehensive services to the buyer as part of the deal.

It's pretty comprehensive and simple.

@Ernest Grindle lots to tackle here so I'll do my best to be as comprehensive as possible.Paying cash is always cheaper than getting a loan.  

Thank you for that comprehensive information.

My understanding that a DP1 is less comprehensive and doesn't cover items like water damage.

It isn't a comprehensive list of everything for sale, just whichever properties the foreclosing law firms decide to post there.