I wanted to get different thoughts on potentially using seller finance to handle this deal.

I don't know of any title agency that would handle a closing like that since you wouldn't know the amount of funds needed to bring to the table until the minute you do the signatures....but maybe you can find one. 

Today we have 540 units in a few states and things are not without challenges. 

Your case is indeed a challenging one, especially when traditional lenders are hesitant. 

What are your current goals or challenges in real estate?

Quote from @Amol Kulkarni: Any individual PM (not associated with companies) who can handle 3 doors in Jax and Citrus Springs, fL I own a lot of properties in Jax and have a management company.

Challenges?

Challenges?

Quote from @Makan A Tabrizi: How do you folks handle nail/screw holes in walls.

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