You could also look into regional banks or credit unions with experience in real estate development for middle-ground options.If I were you, I’d spend some time shopping around for the best rate/terms.

I have bought a couple of units and now working on my own development.

At a minimum, having viable plans in place for development will make these lots more marketable and valuable to potential builders when we have conversations. 

Building a new location, development profit., B. 

If you are not attached to the duplex, could be a good time to sell to developers who want to convert to individual condo units.

My business partner and I are developing a 60 acre 15-unit glamping/wedding boutique resort in Asheville, NC right now and learning a lot along the way!

Or buy a Contractor display home in a new upcoming development.  

Price $25,000 they could have developed and rented.  

Finding, developing and maintaining a 'brand' is hard and time consuming work.Let me turn the question around; As a seller, why should someone pick one agent over another.

Depending on the development of the software, it would be interesting to see if AI can replicate the role of a listing agent.