My friend hired a flooring contractor who did bad work, and is threatening to put a lien on their property.

Those types of incidents are the ones that could threaten your entire business.

I have had to deal with a couple appeals to evictions, and been threatened with a few lawsuits from tenants.

Apparently they need something to get focus away from dealing with a member of the security council threatening to nuke people.

There was going to be a real estate implosion through out Toledo if the ordinance ever started fining mom-and-pop landlords as they'd been threatening to do.I am watching the new riveted, it's an interesting time.

Threaten to sue for deposit.

The landlord threatens to sue you for interference with a contractual relationship, and asks the court to award him damages against you, equal to the lost rents on the property. 

Probably not, but you could threaten it if needed.The other thing to realize is that buyers who go behind a wholesaler's back tend to do that ONCE.

And to top it off the home owners insurance company threatened to drop us because of the now obviously visible cracks that are sealed.  

HOWEVER I have bought and sold 50 or so homes in the last 2 years and I have NEVER seen a gun, or have felt or been threatened.