You can PM me or send me an email which you can find on my profile because BP won't let me post it here in the body of a message.  

When I attempted to contract with them myself,  their bid was very much higher than the other 2 I gathered.

Are you saying they don't count if you can't find the bodies?  

Re-read your contracts, document your correspondence (and attempts) with your builder and demand documentation to match up any payments/draws with what's actually been competed on your build.

Over the past year, RTR has over 50 emails back and forth with this investor and mngt, attempting to sort out solutions.

This may turn into a class action suit, but I think it's better to even be first to the punch before that.My recommendation is that you be first in line to hire an attorney to attempt to get part of your funds back.

I would attempt to negotiate with LL the scope of work required for the discount.  

Not to get too into the weeds, when you are face to face with someone, you can watch for mannerisms and non-verbal body language. 

Note i put forth effort in an attempt to maintain a leveraged position   With the recent rate hikes, my equity position has never been higher which i consider undesired (but teading 3% rates for over 6% rates is more undesired).  

Our business banker Is more than happy to lend, however there's more red tape to jump through that i was attempting to avoid by going with a private equity lender.