It basically said that the homeowner defaulted on a loan and the debtor had rights to his collateral (which is preferred units in the LLC and "all cash, securities, payments, distributions and other property at any time and from time to time receivable or otherwise distributed.") 

A few ways that I use include:(1) If the document gives the debtors' names, search them in the appropriate county at arcountydata.com and/or in that particular counties online records, if they are available;(2) keep digging for other documents, like you did, to find one that includes the more common address; or(3) find a county map with range and township grids and find it using the legal description.It is SO much easier if the property is in a subdivision, and they give the lot, block, and subdivision information.

I have no car debt, student loan debt, or credit card debt.

I've been recommended to several places by other investors that aren't exchanges, but hedge funds who are the originators of the debt, or pool the debt together, and then sell it out.

When analyzing a deal do you look at cash flow per unit after debt or cash on cash return?  

You can't do a UCC filing, the debtor doesn't own the home (and neither do you).

@Curt Smith  is an expert in MH and so is @John Fedro who has an awesome blog.I welcome you to my blog here http://www.biggerpockets.com/blogs/3-reiskills-and...I look hard at seller financing with sellers that can not sell (SFH, not condos or THs) and pair them with high income but debt or FICO challenged buyers.I buy on sub2, wrap or control w LO or SLO, then exit w LO or Lease and ROFR.If you ever want to chat on the ph, see my signature.I like the votes your getting, by the way!

It's up to the lender if they want to go there and not seek any judgment against the forgiven debtor.

If your note and the circumstances surrounding your note (such as information provided to the debtor, disclosure requirements, etc ) either do not comply with, or lack evidence of all compliance features with these two governmental regulations then your note will be unsalable at anything but severe discounts.  

You need to reduce the note to a judgment against the debtor before going after other assets such as the personal residence.