These costs for most of the individuals are considered personal in nature( unless you have RE portfolio that is run like a business- see below).

I am new investor in Chicago looking to connect with other like minded individuals.

And I've taken numerous economic classes.

I'm selling them individually and have the first contract. 

I’ve gotten a mixed bag of reviews how solid the agreement is (Florida) but it lays down the framework and numerous scenarios in case of death, disagreement, distributions etc. and spares us from paying $2,000-$3,000 to have a lawyer draft it.

If you're planning to resell and they're all on their own individual parcels, you'll have to figure out what they're worth individually if you were to sell the land with the mobile home on each parcel. 

Do I have to call an Insurance company with the property address for every individual property every time, to get that estimate? 

@Mulugeta BerheThere's numerous meet-up's in the Bay Area.

Lets not forget the sea of individuals who are making fraudulent claims, collecting tens of thousands of dollars at one time.

What you're paying is fairly market given your experience level.Are those friends working with private, individual lenders as opposed to funds?