Would you share some thought on the prevention measure on some of the items you mentioned? 

In my areas they require concrete or asphalt driveways & parking and each unit requires 2 parking spots, that is 4 spots per duplex, that's 800 square feet of land for parking per duplex.All of this adds up, but it works out, least for us it has.Also...

He also told me since mold was taken off in 2005 it also prevents people from suing landlord solely for the existence of mold as of 2005.

All could have been prevented with an incentive based compensation model with a renewal commission. 

The fact that you have to ask this question demonstrates your PM isn't very skilled.Your PM should have a policy that prevents this from happening.

Only contracted out the cement, Sheetrock, well, and asphalt driveway.

The idea of a "killer deal" will do harm in delaying purchase or preventing purchase at all.

Again, while this may vary by state, the states where I have LLCs explicitly prevent piercing the veil of single-member LLCs except in cases when there is fraud.CT General Statutes "Sec. 34-251a.

Another great way to prevent this is to use and commit to a property management system.

It's the people in charge preventing affordable housing from existing, not updating zoning restrictions, and pushing out harmful and devisive rhetoric to distract from their greed.