I've been a few times to Killeen, Belton, CC, Temple area looking at potential purchases before I gave up. 

Additionally, ensure that any potential investment aligns with your long-term plans and aspirations.

You need to pay attention to things like rental demand, upcoming developments, and overall area growth potential.

Your profile mentions that you are an agent with rentals.You would want to see if you are able to claim real estate professional status.If you are able to claim real estate professional status, you can potentially offset the rental losses with your real estate agent income.Furthermore, TN does not have a state income tax allowing you to be more open with your options.Best of luck

The premise of the time value of money struck me: "Money in hand today has earning potential, and we can turn money today into more money tomorrow by investing it."

Are they the only potential applicants? 

However, it can come with extra costs for setup, maintenance, and potentially higher interest rates on loans.

Sounds like a nice trailer with a lot of potential. 

My goal is to understand the current demand and rental potential for ADUs in this part of the city, as well as the costs involved in building.

Growing at this breakneck pace, the startup could potentially rival AirBnB as a revolution in real estate.