The exceptions being odd situations where the buyer simply fails to show up to closing, or blatantly ignores deadlines, or changes their type of loan to one that delays closing and/or adds to the seller's expenses.

Whatever you decide to permanently do is your answer but making exceptions is where you get yourself into trouble.  

You're basically on the FSBO level.The only exception I'm aware of is a Commercial Real Estate focused brokerage, since it's common for deals to happen in other ways besides MLS.

Insurance covered everything (other than my deductible) except the cost of the water line replacements and the cost of the water - in other words, all of the damage from the thing that busted but not the thing that busted itself.

According to the NJ government website, the tenant can except in certain circumstances (eg emergency).

The above requirement applies to all types of VA-guaranteed loans except IRRRLs.

I did not spent a dime on a lead generation or marketing my self (except business cards and listing materials). 

No exceptions.

You are buying a membership interest in an entity that owns real estate (the LLC).The exception that would work however, if you purchased an actual % of the real estate from the LLC. 

Yeah apparently your'e supposed to live there for the life of the loan but there are exceptions if I move for another job.. or something similar.