@William Hochstedler  Yes, the length of time before the Statute of Limitations can be used is very state specific, http://www.bankrate.com/finance/credit-cards/state-statutes-of-limitations-for-old-debts-1.aspx  but the general principle is broadly accepted and a statute of limitations defense is available in every state. http://www.nolo.com/legal-encyclopedia/statute-of-limitations-state-laws-chart-29941.html  However some states do exclude mortgages. http://www.americanbar.org/groups/litigation/committees/realestate/news_analysis/news_developments_2015/state-mortgage-foreclosure-statute-of-limitations.html  Here is a quote from the above link to the American bar association website regarding using the various state Statutes of Limitations in regard to mortgage liens.As a result, it is not uncommon today for a mortgage to have been in default for five years, six years, or even longer before a foreclosure is finally commenced or reactivated.

Every day we have letters typed by us that we have our front desk associates address by hand in between phone calls & customers. 

b) Check with condo association for any unpaid duesAlso once i purchase at the auction, what's the process to get someone living there to vacate ?

Something I have found in the suburbs is that most town homes have rather expensive association fees required when purchasing town homes and that sometimes don't allow rental properties in certain associations.

This typically involves a syndication and the associated SEC registration.A good lending and securities attorney (which is not a real estate attorney) should be able to explain these to you, set everything up, and help you stay compliant with all state and federal laws.  

Local trade and NAR (national association of realtors) magazines are wonderful as well to help keep you up on your city. 

My accomplishments were made possible because of local investing associations (REIA and ACRE), networking, books, and most of all BiggerPockets (podcasts and forums).  

Just not sure if there are major red flags associated with modular or if it is a bonafide good deal in many cases.

Hey Rob,I'm an agent with Berkshire Hathaway HomeServices and a member of both local MLS associations in the area (Western Upstate and Greater Greenville).

@Jay G.You may not mix personal funds with IRA funds or put a personal guarantee on any debt instrument associated with the IRA.You would need to joint-venture with another investor who is not a disqualified party to your IRA, or utilize a non-recourse loan -  likely from a private lender in the situation you describe.