So keep fat margins in all of your estimates. 

For all you know, she'll decide she wants another 18 days and another 18 days ad infinitum.So, just let her know you will not be extending the lease, and will be happy to accommodate her with an eviction on her record, and a nice fat judgment to go with it, if she wants to play nasty.You're going to be out money on this tenant no matter what, I'd bet.  

@Marc Rice - that seems to be an accurate assessment, and I’d fire the fat old guy who’s responsible, but I’d miss me.

Everyone should boycott them anyway, based on fat content.

I know if I hired one to take care of a property, there would be a fat bonus at the end of the year if there were no problems and I was making money because of their good management.

I really wish that you can maybe replace their A/C to a new one but you have a big fat wall in front of you.

They accepted our lower offer which gives us a pretty fat buffer.

Building passive income while learning the RE ropes and earning a fat paycheck as an EE is an awesome plan for financial success.    

I am planning to just have a very basic plan just incase we got hit by a bus...And a big fat bank account will help with your confidence.

I'm thinking I can later cash-out refinance into a loan (possibly a VA loan) to finance another deal and wrap the new mortgage so as to keep the installment payments in place and avoid hitting my retiring family member with a big fat tax bill.