That doesn't happen when they have a fist-sized hole in their chest or head.

Negotiation Challenges: Risk of under-the-table deals with other buyers.Tips: Be aware of these risks and take steps to mitigate them.

I currently only have 1 duplex, however I want to set this up right so it will work for any size portfolio.Currently I haveHome folder>multi family/single family/legal documentsInside the multi family I have Name of property-> general property maintenance/first floor/second floor Inside of first floor (the one currently rented)I have, pictures (before and will have after) / lease documents / a spreadsheet with each month, what day rent was paid, if it was late, if late was fee paid?

You already have this, its called being a shareholder of a company and a cap table. 2.

I am good at crunching numbers and also bring some capital to the table. 

There is never a one size fits all asset protection planning strategy.

@Jake HughesCost segs can be an amazing tax deferral mechanism but they are not a one size fits all solution.  

It is 45'x20 total lot size and cannot be built on for setbacks, minimum house size, and more.

We are with you every step of the way……..until your check clearsplease do a thorough vetting of any investment you make, at least if it is a size where a loss will cause you concern.   

I think the play would be buying a property that needs some rehab and you can split off a new lot due to new lot sizes and setbacks.