Outsourcing one of your key value centers means you'll be beholden to others to finance your business forever and will be subject to the success of failure of THEIR business model.  

Further, because of their pricing methodologies, I missed some key spring weekends - frustrating. 

<--- Key point

In most cases, it does not, because the key benefit of the Solo 401k is the higher contribution limits such a plan provides - which you would not likely be taking advantage of.More likely, a self directed IRA LLC would be a better option for investing retirement savings into real estate.  

Being prepared to move on a deal when it appears is the key.

Just call around, the key is not to use Chase, Wells Fargo, banks that deal with Fan and Fred, because they set their guidelines and there isn't much wiggle room there.

I listen to the podcast everyday on my way to and from work and have started following a few forums and setting up key word alerts.

Right now I am actually looking at turn-key investing out of state...but I'm keeping my eyes open locally.  

Managing your emotions is key to maintaining a long term perspective on your investment.

The key here is you need to know all 3 of these options are quality contractors.