Get tax returns, search the state corporate records, BBB, state law suits, check with accountants and legal offered to you on health and reputation of LLC.  

You can also search for Code Enforcement violations and Board of Health Violations here as well.Flood Map search - http://dnrmaps.dnr.in.gov/appsphp/fdms/It is important to know whether or not your home is in a flood plain.

If one has a software system that eliminates human error, great. 

A tenant has indicated she wants out of her lease early due to her mother's failing health. 

Typically if the parks are kept in good shape and you pro-actively build a relationship with zoning/dept of health you should see fewer issues. 

As to the comment about the brokers not responding and failing to underwrite the deal properly with specifics about financial health of the property, that’s just laziness and incompetence.

Big thing holding me back is getting over hurdle of health insurance for my family as well as 401k.

I have none (unless you count two human toddlers, which you probably should, lol).

Human nature is to not believe the worst will happen. 

An air conditioner is necessary for the general operation and maintenance of the building since it provides human comfort, making it real property.