Any notes or mortgage security instruments recorded, that are not the usual bank mortgage?

I would rather keep them in cash of some liquid stable instrument than roth IRA.

Not completely related, but after reading this carefully, is it safe to assume that if the LLC was to own bonds, debt instruments, dividend generating stocks or was to generate capital gains via selling appreciated assets (e.g.: stocks), the revenues made from those instruments wouldn't qualify for the 20% deduction?

We have dozens of top-notch golf courses, the annual Carolina Country Music Festival, a few annual bike rallies, and the Myrtle Beach Convention Center which hosts dozens of expos and events throughout the year. 

That's what they do here in Sacramento.You could all tell the tenant to make sure they have a contract in place with the parents that tells them to do not disrepect your neighbors (drive in the drive way of your neighbors, park in front of the neighbors drive way, walk on the neighbors grass, do not play their music loud when dropping off or picking child(ren), also, tell them to make sure they hold their child(s) had at all times do not let them run into the neighbors yard).

So I'd pick totally passive instruments like Buffet type stocks (nothing sexy, just tried and true staples), RE investments where you would be more active, and also something I was totally passionate about in a day to day business!

The CME Group offers Gold futures that can be used to invest in the gold market without holding the gold physically, these financial instruments can be used to speculate.  

Investors whether individual or institutional and regardless of their level of sophistication will alway face the probability of investment loss because investments generally have an element of risk to it and you can't regulate a risky investment into a riskless instrument. 

That being said, my attorneys have been incredibly instrumental in helping me get deals closed, reduce and or mitigate my risks, and frankly have saved me a ton of money.

The wealth information and networking opportunities I have been able to leverage though BP has been instrumental in my REI career thus far.