Keep in mind that there may be legit charges associated with termination- for instance, they may need to hold some funds in escrow to cover lingering utility bills or cleaning after that 30 day period. 

As I prepare the unit for the next tenant, I'm finding the gas stove cooktop and the inner oven glass particularly challenging to clean.

We would handle the guest communication, coordinating cleaning, minor repairs, stocking supplies, calendar management, etc.

He is going to give me power of attorney to handle it... any tips?

@Ryan Yu, a cash out refinance after a 1031 exchange can be a powerful tool to make your 1031 simple. 

Look for properties with high tension power lines over it.  

You really want to be dealing directly with the mother, or a person with Power of Attorney.

Real estate's super-power is not cash flow, its long term wealth.

Currently I had borrowed 12.5k to consolidate credit card debt and I can borrow up to 23k. 2) Would it be wise to roll this into my home mortgage so I can get the tax break for the interest and allow for more borrowing power from a credit union?

Clean, friendly, activity rich and lots of employment driving growth as far as I found.