BiggerPockets is full of such discussions.Read this forum, Starting Out, General Real Estate Investing, and even a little of Investor Psychology to get the answers to your questions.You may even want to try the Search function at the very top line of this web page..

Don’t ignore the psychological aspect of it.

I  have been working on psychologically preparing myself to move up stairs :).  

Primary reason was & is psychological.  

Nothing wrong with doing a debt snowball for psychological reasons or paying off the highest interest rate for math reasons. 

Your worried about your baby and honestly when women(this is evident in social psychology) get into funks like this they are more likely to stay it in and be scared/ponder it then shake themselves out and move forwardYou need to stop being stuck in your own mind and take a risk.

It's psychological; this atmosphere is great because all they see is what need to be fixed.Over the phone is ok, normally give them a range you can pay for the house.

We began an integrated marketing plan a few months ago to try to find new investors who need PM, and we keep coming back to this question of psychology in our strategy discussions: What makes a self-manager decide they want to outsource management of their properties?

I'm with @Jay Hinrichs hiring attorneys and filing lawsuits will only deliver psychological gratification while setting you back thousands of $$.The most cost effective method to put people on notice, in the event you need to later recover damages e.g. from a negative cash flowing property, selling expenses, etc.

There is nothing on this earth than cause physical, emotional, financial or psychological pain and suffering to my Spirit.