The last thing I look to do is harm people. 

Given that, I don't think there was any harm at the front end when they were looking in telling them that you put in a lot of hard work cleaning the place up and leaving it at that.

Hostile policies towards development just push people to other cities to do their building.Here are some links about the harm rent control does:Beacon Economics research study on rent control - https://caanet.org/app/uploads/2016/02/Jan2016_Ren...Perspective on helping low income afford housing - http://www.lao.ca.gov/Publications/Report/3345Legislative Analysis suggesting housing construction rather than rent control - https://caanet.org/legislative-analysts-office-enc...

Absolutely no harm in asking.

Does "fighting fires" constitute using a $20 fire extinguisher to extinguish a small grease fire that would have burned down the unit and possibly other units, potentially harming all tenants?

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesEven if someone give you a referral, don’t make the mistake of assuming the PMC will meet your expectations, just because they met the expectations of the referral source.We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

We are in the process of bidding on a property that our attorney has reviewed and realized is within a 100 ft of wetlands and as result we will need to run nearly every decision through the committee for conservation and wildlife.

You may get an offer you can't refuse immediately, or you may have to go through a long process to do your build to suit.Without knowing the area and the accompanying demographics and growth, regional and national tenants may or may not be a possibility.A "lease/purchase" type of agreement is fraught with hazards; as, some courts have handed down rulings that have harmed sellers entering into such arrangements.

If you're asking, do you have the right to sue them for breach of contract or seek damages for the harm they caused, then my off the cuff response is no.

At that point I received angry text messages from the buyer's agent calling me names and wishing harm on me.