In addition interest rates have gone up, so I am not sure that even if I did, a refinance would make sense.

If either of those questions is answered with "yes" then you may have some leverage and might have to get a lawyer involved to motivate the other owner.

Additionally, I would suggest reading two books: The Millionaire Real Estate Agent and the Millionaire Real Estate Investor. 

I would ask why is this portfolio coming across your desk and what is motivating the seller to sell. 

In addition, this market is on the upswing, and home values are increasing steadily (so in addition to solid cashflow, potential appreciation looks good).

Seller isnt willing to carry any financing, they want to cash outGeneral overview of rent roll and occupancy and financial break down which i entered in as much data as i could based off what seller provided in the Deal AnalyzerThe Unknowns:amount of deferred maintenanceAmount of inherited issues with city in regards to permits for modifications and additions made to mobile homes in the park structurally and with plumbing and electrical and who knows what else.

Seller isnt willing to carry any financing, they want to cash outGeneral overview of rent roll and occupancy and financial break down which i entered in as much data as i could based off what seller provided in the Deal AnalyzerThe Unknowns:amount of deferred maintenanceAmount of inherited issues with city in regards to permits for modifications and additions made to mobile homes in the park structurally and with plumbing and electrical and who knows what else.

You need to find a motivated seller.

I envision two additional retail spaces on the 1st story, one of which would be a paper/scrapbooking store operated by my wife. 

The seller is very motivated and he wants to save his credit from a foreclosure.