Take lots of photos of the work completed so you have it for evidence in case the relationship is not salvageable. 

At this point in time I was in a long term relationship and it was the job that would be better for my relationship over the job I wanted to take in Dallas.

If you give out 50% to someone that just puts up the DP, I'll meet you tomorrow morning with cash in hand.Take all the jobs/roles any of the partners must do, and apply a percentage to each based on the relationship/value to eachother. 

I brought this deal to a realtor i'd like to build a future relationship with.  

Surely your HOA has covenants and bylaws that cover these things, and if it doesn't then you should have some kind of relationship with legal counsel that can advise you of your rights in your state. 

Instead your time and energy should be focused on building solid relationships with realtors in your investing area.

We are in NC and we build relationships with brokers in our target markets who find us deals.

I would like to rent my house and we would live in his (plus children from previous relationships).

506(b) is quite common if you have a preexisting relationship with investors and do not need or want to publicly advertise. $150-250k is a pretty small raise for a syndication, though.

Trying to expand our options for properties and want to create a relationship with a lender that we can use for the future.