But w/ my fairly comprehensive spreadsheet, I'm making around 12-13% ROI.

I have been trying to compile the most comprehensive commercial due diligence for each side, seller & buyer, and have a lot of information to be thorough yet efficient.

While I do not agree with all of his strategies this is by far the most comprehensive book on hard money lending I have ever read.  

Hi all, I've been developing some techniques to quickly build a comprehensive set of leads for specific categories of commercial properties anywhere in the US and wanted to connect with some commercial real estate investors to get some feedback on whether they would find this valuable. 

What I'm hearing is that RE investors are willing to pay for customer service oriented lawyers who can provide comprehensive representation and advice on time and without BS.

At some point, i want to come up with a basic and comprehensive list of what each (agent, Buyer, Seller) is entitled to do in terms of duties, responsabilities and obligations.

Robert Schiller's work comes to mind for data sets as it is most likely the most reliable, comprehensive, and available. 

Maybe not quite as comprehensive. 

Are there estimates or websites I could use to get a more accurate and comprehensive analysis?

I took a quick look at "Whitecoat" (in-between patients, we just had a "Code~Stroke" in the ER), and it seems like it is pretty comprehensive .