- Does it require extension of public utilities for water & sanitary service to the lots?

You have also account for items such as property taxes, insurance, repairs, maintenance, contract services (landscaping/snow removal), capital expenditures (roof, water heater, etc.).  

We currently pay water, and the residents pay electricity.

Outdoor complete kitchen with water, electrical and drainage 5. 

do new buyers have to sign off on properties not yet brought up to public health standards for Drinking water?

Have ALL of your ors in the water, do/setup marketing in many channels (SMS, post card, PPC), learn how to carve out lists that target motivation that you want. 

Saving for DP and repairs, maintenance, vacancy, water, taxes, insurance etc.

We have 45+ pads which are Water, sewer, electric connect ready.

The property has been rented for nearly this entire time.The house has a good amount of deferred maintenance, is not updated, and has some water damage which we only recently (two weeks ago) became aware of.

For Fire damage, smoke damage, black water, broken pipes and other disaster clean ups we recommend Jim Seubert @ Pride Cleaning and Restoration 618-792-0465.