He should have made it clear to the insurance company that he will not be living there, adding that the property will be a construction site he intends to complete and flip. 

You can look on craigslists and apartment sites to get an idea on rent comps.  

All the others; my apartment and two houses, were served a 30day notes to vacate.

Am I the first one on this site to pull the trigger?

There are three costs you must be very familiar with LandSoft (carrying costs, entitlements, impact fees, association if applicable, maintenance, etc)Hard (home construction as well as site construction)Have done numerous MF and SF developments. 

Be sure to check out all the areas of the site.

There is a park manager that would live on-site to maintain the park and is willing to stay on and help expansion if necessary.Half of our team is not sure that we should purchase since it is in a small city with little plan for growth.

Have you done a member search on this site for attorneys @Cheryl Wilson?

If that fails look for the funeral home web site and see if they have any info.  

You said there is no appreciation in site, I think it would be better to find a multi family in the "path of progress" or even in a better area that will be stable, with potential upside, as opposed to this deal that seems mostly negative.