Make sure your plans are engineered from someone reputable (don't trust the builder's guy unless you can verify their trustworthiness). 

Any tips on finding a reputable public adjuster in Atlanta?

Bonus points if they can refer you to reputable contractors in the area. 

There's nothing wrong with seeking concessions if there are issues that arise in the report, but using this as a strategy will garner you a reputation within the community if you are repeatedly going under contract and then seeking large re-trades. 

You do that with skill, time, and reputation.

I went to someone who was considered a reputable broker and he said he had a great new program.

Quote from @Michael Simmonds: Hello BP Family,I am in need of a reputable builder/GC in Cape Coral who is willing to take on a partially finished new construction home. 

Note investors who think learning from people who scam others out of millions is a good idea and a way to have a good reputation in the space. 

Our agent seems incredibly stressed by it all, she's spent decades building her reputation which is now being dragged down by this guy but I don't know what she can do.  

The website 51west.properties also scores low on scam advisor ("owner is using a service to hide their identity, high number of suspicious websites on the server, registrar has a high % of spammers and fraud sites, website is (very) young, website appears to be hosted by a company with a bad reputation", all according to https://www.scamadviser.com/check-website/51west.properties...)Trust your instincts.