If the title companies would deliver HUD-1s sooner we could deliver precise amounts via cashier's checks much sooner in most cases giving them time to clear.

You and your dad need to understand the tax and legal implications for each of you and get help structuring this precisely in the way that works best for both of you.

@Jenni VegaYou sound precisely like someone trying to sell their "education".

The title shows the precise space number?? 

Since the range was so wide and I'm not going to be doing it this year, I did not put in the effort to get a more precise figure.But my point of concern with buying a lot and building my own duplex is how to make it cash flow on par with the units I purchase and rehab.

Meth detection is amazingly precise, but the collection is not exact.  

I can get a lot more precise by pricing it all out, but that is going the opposite direction of making it easier.

@Kim Herrick I don't manage my own properties for precisely this reason.

I like to use a Sonicrafter vibrating tool to make precision cuts in drywall (my favorite tool - tool is cheap, blades are expensive). 

Precisely.