Contracts, threats, etc. might not get you as far there but other things will. 

Even if he were a gang member, he clearly isn't in the home any more so how is his mother a threat to the community or the owner? 

These are the biggest threats and issues.That is one reason I am in real estate and that I only buy using Subject To and Wraps.

He made all those threats in hopes that you'll just allow him to stay there.

Short term threats are 1) subprime auto-loans 2) Student debt, 3) foreign policy 4) risk of trade wars/closed border for trade, and long term threats include 5) growing U.S. debt 6) low productivity growth etc.. there are many more but these come to mind. 1) Subprime auto-loans were 16% of all car loans in the U.S. and the amount of subprime loans is increasing rapidly by 14%.

If this movement starts to maybe pose some kind of threat than these developers/companies will group together to crush all of them.

Now we know what a “fair tax” looks like.Earlier this year, I wrote an op-ed in these pages about the threat to New York City’s future from poorly conceived policies in Albany and City Hall, particularly on criminal justice, rent control and taxes.

I just had a younger couple with 2 kids trash my rental that was spotless when they moved in and they silly accusations and threats toward me.

Which company poses more of a "threat" to the greater good? 

It is not the gas crisis of the 70s and so on.Causes:loose Monetary policy Free money not to work Political divisiveness and bickering I have never seenSocial bickering and tribalismA real economic and cyber-military challenge from China  I feel as confident making economic predictions as I do about the weather in a year.