Travel
Our recommendation for out of town guests would be to share an Airbnb or Vrbo. nearby. The closer the better. https://www.airbnb.com/s/Killeen--TX-76543/homes?refinement_paths%5B%5D=%2Fhomes&place_id=ChIJBaTVEDJJRYYREuz09bFaNfI&adults=6&children=2
There are also plenty of Hotels nearby if you prefer.
Harker Heights is also very close.
For all the days along the way