This was an elderly woman with a heart condition and the investor helped pack her up and during the three-day marathon they sold 2/3 of her stuff in a garage and junked a bunch more.

It can always be argued that the disclosure you thought you had covered just wasn't good enough, the print wasn't big enough, wasn't additionally disclosed by verbal statements made to the bank or the seller, the seller was elderly and didn't really understand, etc.I think the pitfall isn't in the ability to debate the policy's contradictory main jist in light of other agencies' pro-flip actions.

I purchased a two family in 2014 with an elderly woman living in one of the apartments in which she resided there for 20 years.

I am buying a house from another investor where the elderly tenant couple has been there since 1970's.  

Fix & Flip, Buy & Hold, Subject To, Wraps, Notes, Commercial, apartments, elder care facilities, land, builder, project manager, etc, etc,b.

If they fight leaving, you don't really have a recourse, so other options work better.However, if evictions are permitted, then just assume you will have to evict, give them money to move and 15 to 30 days to do so, hold back a significant amount of money to be presented to them the day they are out.Also, if they are a protected class ( elderly, minority, etc) and are facing foreclosure, be aware of the S.A.F.E. act in your state and any foreclosure laws.

Many are elderly women who are left bereft of any financial support.

The worst is that you can end up in jail for equity skimming, fraud and elder abuse.What's the worst thing that can happen to you if you buy using Seller Finance?

They are very elderly now and the house is too much for them to keep up with. 

Nor does any provision in this title regarding familial status apply with respect to housing for older persons.(2) As used in this section "housing for older persons" means housing --(A) provided under any State or Federal program that the Secretary determines is specifically designed and operated to assist elderly persons (as defined in the State or Federal program); or(B) intended for, and solely occupied by, persons 62 years of age or older; or(C) intended and operated for occupancy by persons 55 years of age or older, and--(i) at least 80 percent of the occupied units are occupied by at least one person who is 55 years of age or older;(ii) the housing facility or community publishes and adheres to policies and procedures that demonstrate the intent required under this subparagraph; and(iii) the housing facility or community complies with rules issued by the Secretary for verification of occupancy, which shall--(I) provide for verification by reliable surveys and affidavits; and(II) include examples of the types of policies and procedures relevant to a determination of compliance with the requirement of clause (ii).