By that I mean that once the components of the property near their life expectancy then it becomes a major expense.

These components are calculated on a per-topic basis to make sure we're comparing apples to apples.Our goal is to encourage our knowledgable users (like you) to post high quality topics and replies on those subjects. 

Seeing as that professional is a very important component part of your investing strategy I think it's worth doing a little homework to make sure you have the right person filling that seat. 

Even with that single family, try to find something with some kind of value add component to it.

This deduction is related to the loss on disposal of certain assets in your building such as replacing or removing existing components of the building. 

True --- COMPS helps the investors make a decision - it you are cutting it so CLOSE that you need to know the values of components of a building  before making an offer to buy - than in my opinion,  that's a bad way to invest and value real estate as an investor.COMPS are great and helpful - what I want to know is: Do I feel good about this dealCan I leverage my way into the chain title without much cashDoes this property have one of my two favorite requirements - CASH FLOW or EQUITY?

The sand and water components of the mix are heated at the plant, so the mix arrives able to set up properly in cooler weather.

Knowing what you want to do and actually applying it, I found were vastly different if components are missing.

I would probably shoot for 70-75% to create a contingency buffer... you will probably overshoot your rehab budget b/c of the emotional component of it being YOUR home.

They walk you through the major components of a rehab and help you understand what you should be paying for materials and labor.