I am not a lawyer nor a PM, but I would expect at least 30 days notice is required and/or appropriate.

Who would be the appropriate person to call about deal structuring?

You need to make sure you and the HML are on the same page when it comes to the draw schedule.Before you ask the lender to release the money to you to pay the subs, you will need to check their work to see if they billed an appropriate amount.

If he protests or threatens some type of action, then 2) I will inform him in writing that the contract is over as of XX date due to (itemized list of his breach of contract), I will be filing complaints with various local private and governmental entities, I will be memorializing my true experiences on various online forums with photos included, and will take vigorous legal action including the filing of counterclaims as appropriate. 

Hello,I'm not really sure if this is an appropriate place to post.

Totally normal and appropriate language they sent you.

Call me anytime, happy to help out where appropriate: 726 0221  :)

The owner of this lot has successfully acquired R-3 zoning which allows to build up to a 6-unit MF building with appropriate number of parking on this 6000 sq. ft lot.

Would be great to be able to categorize right away and avoid the hassles I have now with trying to remember what an expense was that I forgot to file appropriately and now its been 9 months... 

You want a A+ rating firm and appropriate coverage.Lawn Care (from seller): $400 - depends on how big the lawn is.