What questions should I ask the motivated seller in order to present the most essential information for buyers?

I just finished my first deal, and and presented with an offer from a neighbor who’s mother in law past away.

Analyze a few properties to determine total investment and then prepare a presentation to a potential partner on several opportunities.  

I suspect most retail sellers get them and read them its part of the presentation. .I have seen them in bound form and multiple pages long. 

HELOC is a line of credit that can be grabbed whenever a good opportunity is presented, but a refinance will act as cash sitting in your account.

A lot of REIs give a few minutes for people to present deals.

My thought process on this was should I ever go to court over some type of a matter I would have a log detailing the tenants time at the property and what all has gone on to be able to present in court.

For example, unless heaven deferred Maintenance, a duplex shouldn't be anywhere over 40% opex. 

I realize most title companies at this present time do not have a buyer and seller meet at the same time, but they still would be interacting  a little bit at the closing table with a notary. 

Lenders I can build a relationship with and continually present deals too.