Those are the typical things you're always going to end up doing if you want to thrive in this business.  

@Jane Smith70%-75% LTV is pretty typical for an investment property refinanceHow much equity do you have?

What sort of targets have you been sending to?

My goal is to be able to buy single as well as multifamily homes and live off of the rent (long term goal) Ive also met with a broker who works with short sales, he takes on about 10 "projects" a year presents you with the short sales in area of interests (mainly Long Island) along with high and low comps, he asks for a percentage (unknown, at our discretion it appears) of the  profit after the property is sold, he typically works with investors who buy and flip. 

Reason I ask is typically you can't get LLC treatment if a property is financed.

These are some sort of government loan programs. 

We also buy very unloved buildings under the assumption that we will be gutting the building and replacing almost everything ... so typically do not bother with engaging an inspector or engineer unless we see something out of the ordinary (in a bad way) or we are having a Phase 1 done.However, in the beginning before we had acquired our present level of comfort and experience, we sent an inspector into most buildings ... if for no other reason than to provide input into maintenance and renovation planning.

Typical cap rates in the area are around 8% which would result in a value of $312,500.

  :)I think there is some value in what you are trying to establish however if I'm understanding it correctly, this sort of 'dynamic' variable that can be attached to occupancy stats to help close the gaps in inaccuracy. 

Materials here are typically at a higher cost.I'd be happy to help answer any other or specific questions you have.