I will find out more about lead testing and inquire with LeadProbe.For as much as lead can be a "threat" it's also a great opportunity if handled properly, right?

The threat of eviction also hold some weight,  all the property management companies in the area ask for landlord references. 

those are good questions... if its a bank I think the threat of moving your accounts and cancelling your credit cards will have Zero effect..

I never waste my time making idle threats but that is just my method of dealing.

We probably heard the threat of the due on sale 500 times.

And, no, you can't charge any pet fees for them and must allow service dogs even if you don't allow dogs, but I do think if it's a breed that your insurance won't cover, you may be able to deny the application due to threat of losing your insurance or other financial hardship you would incur.

Without a single word of conflict,threat, or otherwise, I picked up the poop in a shovel and left it in a pile on his door step.

Without a restraining order the police won't do anything for you, the threats are too vague and open to interpretation.

The threats, the damages, the fixing the properties up again and again and again.  

If you've already made some decision, don't just back down because of their threats.