Welcome from a fellow OKC investor, The BP communities emerging around here are really great to work with.

Unless either of you want to break the current lease based on his orders, then it should be binding with a notorized addemdum allowing you to check up on the rental monthly for all the reasons provided already as well as an emergency contact just in case you do need to report something of interest during one of your inspections. 

My plan is to save 5-10k in a saving account for immediate emergency.

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I would just let them know they are not to disturb you unless it's for emergencies.

I assume that you only buy used cars and have money set aside for personal emergency expenses?

I highly recommend Micah Autry with Emerge Real Estate. 

Don't forget an emergency fund for unpredictables like a blown tire or new AC.

I had someone in mind, but she's not returning calls, which I question whether or not she's up to the task if there's an emergency at 3am... 

This may also be reimbursable as it is an emergency repair to prevent further damages (again, discuss with your adjuster).