BRRRR deal with possible seller finance (?)

[Jimmy Suszynski]

I am looking at a potential BRRRR deal that is zoned as a duplex but has 3 units, has a newly vacant lot next door and is a few blocks from my house hack. I see a ton of potential in the place. I saw it before it was listed--I actually sent a letter and another mailer to the property owner last fall. Now that it is listed, has anyone successfully built a seller finance deal with agents involved? It is really the only way this will turn into a "homerun" deal, though I can definitely get it done with my cash and a private lender.
I know the agent's commissions will still be paid based on the sale price ( I would offer to pay them in full along with the down payment). I guess I am looking for example seller finance terms folks have used in the past. I'd like to come to the table with 2 or 3 different options as a part of my offer. (i.e. a larger price with seller financing, a lower price with private money, something in the middle that blends the two). I am going to walk through the property on Wednesday to verify my rehab estimate then get to work.