I cant imagine the impact on labor and the vast degree of trade skills that will be leaving as well.

No degree is needed to comprehend the word "RISK". 

(The exception would be the rare deal where the property changes hand for a price far below real market value).The sub to or wrap adds a certain degree of ADDITIONAL risk of failure.  

The actual penalty varies but it's often a step down or if a 5 year prepayment penalty term, it will be 5% of the original or unpaid mortgage balance if refinanced or sold in the first year, then 4% in the second year and then on down (the exact penalty varies which is why I mention both the original and unpaid mortgage balance.

.:)Whereas you’re the one leading them to some degree to the end result, is there a reason there is a contract for deed instead of you going straight for a deed with mortgage / deed to trust?

Its not easy and there is potential for multiple degrees of chaos and instability.

looking to accurate my rehab costs calculator, specifically in the Pittsburgh area.Of course, It varies from one investor to another, depending on the quality, standard, size, condition, and team.I am looking to get a range or see how much you pay for each remodeling. 1) what's your range for remodeling a kitchen completely (granit, backsplash, tiles, etc)?

If I end up foreclosing the property, I will gain $200K equity (in my example, the amount will vary with each TD).

We segregated them from any degree of competition, failure or necessity to conform to any standard.

These type of businesses are tough to price as the market varies greatly depending on many factors.