However, very few will ever match the success of Warren Buffet, because they don't execute his strategy correctly &/or aren't patient enough to allow it to play out over 20, 30, 40 + years. 

Might search here "issues with CFD", we also have concerns of executing deeds in escrow, taking a deed in lieu of foreclosure, circumventing foreclosure laws, buyers not being in title to conduct repairs with contractors, being unable to obtain building permits, insurance loss coverage and claims being paid, owners in title encumbering title, issues arising from equities to be paid under any event of government placing liens or events of eminent domain.  

The OpA generally won't be the issue, other than making poor elections, but piercing the vial stems more often from under capitalization, comingling funds, improperly executed documents or poor management in maintenance of the LLC, these issues are a reflection on the managing member.

Last mention I got was from Brandon in the Brandon Tuner thread but that could have been an automated response executed by some cat with a function key and admin control!

While the book gave some valid tips, I'm just not so confident in my executing my first deal.

Give 'em an iPhone 6 with an executed lease.

Your rehab experience should put you in a great position to spot and execute on the best deals!  

Make a plan now and execute it in stages as you get the money.Good luck!

What site, moreover what Seller, removed their risk of your execution by moving your due diligence to post settlement?  

The Seller usually wants to diminish or remove their counter-party risk and execution risk.