Judging from your posted image above, I might assume that you will have missed "a few" items.

.#3 Look at Numerous PropertiesWhen you start investing in real estate, you don’t have experience finding, buying, rehabbing, and flipping or leasing properties to tenants.

Kris Krohn is selling what he calls 'Lease Option Pro Plus' which is supposed to be a bunch of videos teaching a person how to do real estate using lease options along with manuals on how to execute it. 

It is actually my first rental property and have no prior experience with lease agreements.

If one tenant requests to move out then have the one staying requalify and sign a new lease.

We made the decision to sell the original house when we ran into an issue with our current property manager and our tenants deciding to end their lease early.

From my research, it seems like it's probably pretty common in DFW area to have tenants do lawn-care, but I'd probably need to cover items like pest control, HVAC check-ups etc.Also I am seeing mortgage rates for investment properties ~ 5.75% to 6%.

Unless you’re Dr Phil undercover, let them know that only complaints which are examples of lease breach (with proof) will be addressed.

And in fact you could rent from her as long as it was arms length with a lease and real rent payments etc.  

I have read the article about screening tenants and I have everything downloaded from the lease agreement package.