I think in unit microwaves and induction burners and with a couple of common area meals/ week might make it work.

If neighbor says they own it I would tell them I plan to construct a new one next to it on my property line even if I needed to lose a couple of feet of yard. 

Quote from @Rio Nance: Couple things:1.

I have a couple of people that this has happened to, and you need to have it in writing and tied to the property to make it work. 

Show where their money is received and where it is being held now.A response like this coupled with your inability to issue a refund in dollars makes you sound like a Ponzi scheme that's about to implode on itself.

We are considering joining a couple mentor groups to build relationships with more investors.

It was held by the previous owner for a very long time, so I wouldn't be surprised if some basic facts about the house are incorrect.I was making an offer on a house a couple years ago and discovered that the owner was paying taxes on an additional house that was on the neighbors lot and didn't know it!

JeffWe lead a couple investor meet up groups in person and live stream about the Central Ohio real estate market.

They have presented a couple of deals that, unfortunately, haven’t worked out.

I can put in touch with a couple of local insurance agencies.