Take it one step at a time but the key to DM is the exposure so at least 6 times would be best..

Let's face it, in most cases, the security deposit almost never covers your turnover anyway, so why open up the added exposure of liability.

I am very active on the stock market, have some exposure to commercial real estate through a good friend of mine where I invest in buying properties. 

Befriend some active investors in your market and get to know them well....most of us get deals across our desks that we will never do and are happy to farm them out to friends.You might also consider putting money into a crowdfunding site where you can get a decent return and exposure to deals in other markets.  

It may be spelled out more simply in the RE statutes, but in the lead laws it says that if the state believes there's a "lead exposure hazard" for a child they can open an investigation that includes "issuing orders requiring the reduction of lead exposure hazards".

I have also been hoping for exposure through word of mouth.

This maximizes exposure to other buyers.This brings listed properties closer to the 'perfect market' our economics professors talked about.  

These are great websites you can get some decent exposure on the property from the comfort of your home and its free.

Other than that if you are hard pressed for time to manage your rental and want exposure on major sites Evolve is great for the cost. 

Consult with your attorney.You need to ask yourself why does it need to be in an LLC, you can always mitigate your exposure with additional insurance.Commercial loans can be had with ease if you have good credit and sufficient down payment.