Brokers (versed in these development deals to help you negotiate the right contract terms), Lenders willing to fund a construction and permanent loan, architects & engineers vs in land development to help site plan the project, contractors to price the project to help dial in your UW. 

That's standard beginner terms. 

It depends on the specific deals and terms.

They have now stopped repling to our commications since I told them that they would not have the option of extending their lease at the end of the six month term [option to extend was contingent on 6 on time monthly payments].

. - Lastly, if you are looking at real estate as a long term buy and hold strategy, you have to look beyond just cash flow.

I am an out of state investor that has a number of properties in the Evansville area and I am looking for a trustworthy long term PM relationship. 

Who here has experience in owning a short term rental around the Wallenpaupack area?

I love this house and don’t want to lose it, I would like to add houses in the long term and build a portfolio. 

If that is the case, then those are the terms your sister agreed to.

I'm looking to purchase a single-family home in the $500k-$600k range with a long-term hold strategy.