So on paper I was the owner, and her only interest was in the piece of paper we had signed and had notarized.

If the deed was prepared by an attorney or notarized at an attorney's office, that might be a clue as to who prepared it.

Have notarized deed from seller.What would be the best way to market this?

Usually all that's required is a letter from you (and possibly your attorney) notarized promising that you will make certain repairs within a certain time frame.The back wall repair doesn't seem like a big deal either from what you're telling us.

What is the perceived added value that you propose to offer that an experienced agent does not? Are

And interested in thoughts on why or why not?  Are

Can you pre-sign documents and have them notarized then you'd be set.

What brokers, brokerage offices, franchise or not, are investor friendly?

In Texas, all that is needed to transfer the title on a mobile home not attached to land is the SOL(Statement of Ownership and Location) to be notarized filed with the state. 

They calculated a loan amount and an interest rate, and generated a monthly payment, but the notarized paperwork they signed only had that monthly payment.