Ensure to do your research and proper disclosure as these are very sensitive transactions. 

This works well for more singular and static investments, but will become inefficient the more interaction or time-sensitivity there is with your portfolio.There are also two plans that provide what is referred to as checkbook control.A Checkbook IRA is offered by specialty firms that will start with a custodian held IRA as above, but then create a special purpose LLC to be the sole investment the IRA itself makes. 

But I would be sensitive to what may be their desire for a little quiet enjoyment before the neighborhood invades :)  The quarterly walk through is awesome. 

That can be limiting for investments that are time sensitive in nature or involve a lot of transactions.  

Not saying it cant be a good deal, but I would make sure you test the sensitivities to your parameters during your underwriting.

You may have to work for free or at low cost to the small company, as they will be very sensitive to cash flow and costs.The development business is one of the most complicated businesses that I know of combined with risk in land markets, underwriting, financing, and construction.

Homeowners being foreclosed on, are very sensitive and stressed out.

I had a self directed ira llc set up by safeguard advisors and am very happy with their services. 

Knowing if it is an estate can assist your search and also prepare you to be sensitive to the emotional loss of a family. 

As a commercial contractor, I understand the contractual safety nets that need to be put in place to safeguard both the client and the contractor if a disagreement occurs.