You can shop at walmart or any of the 10 malls too...
Change your dependent's PCM to an off base provider for free because of the driving distance.
Shop and sams or costco to save money. Commissary isn't cheap when factor in no tax on food off base, tipping the baggers and the surcharge. BX is a rip. Creech has a clinic for your regular medical/dental needs. Creech has a MPF. What are you driving to Nellis for? To eat at the club?
Sounds like Holloman/Cannon would be a perfect assignment for you.