If I have been given proper notice of move out, then generally I prorate the days past the move out date based on the actual monthly rent that month. 

@Sanjeev Advani I’m not saying they’re all like this but since Circle K bought 3 local convenience stores they have never been able to staff them properly or maintain employees.

Take ownership of your mistake and learn to do the proper due diligence recommended above😊

The important part is operating it properly. 

The water may be backing up from another fixture that is not draining properly.

When you are small, there really isn't many concerns other than not knowing how to manage the properties properly.

You need to properly maintain all this structure or it just gives a false sense of security.Secondly, why all cash? 

It also depends on your goals and how safe/aggressive you want to be, how much you want it to earn, and what meshes best with your lifestyle. 

Take control of the situation yourself, and if you want her out, then give proper legal notice.  

With a income of 100K you should be back on your feet quickly, assuming you understand how to live a frugal lifestyle and be investing in less than 5 years.Pay off all your debts, save money by living a super frugal lifestyle and rebuild your credit.