Dennis,
Here's something to consider.
San Antonio, like other part of the country, is experiencing a prolonged, multi-year drought. It has been especially bad these last few years, but I've been hearing about water-related issues on and off for 10 years.
If you're looking for 5 acres, they you'll be looking around the outskirts of San Antonio. (San Antonio is the 7th largest city in the US, partly due to the fact that the city-limits encompass a huge area well outside the downtown city center.) That might put you into the "boonies" where you may be on well water. The geology beneath the San Antonio area is limestone-based and riddled (in a good way) with caves and aquafers -- but the water reserves in the aquafers has been dropping due to the sustained droughts. This might be a challenge for watering 5 acres of figs. (Come on, you know you're going to fill up all 5 acres!!!)
I don't know details, but San Antonio is surrounded by multiple military bases, and the city itself seems very military-friendly.
Cheers,
Jim
PS -- the B-B-Q at Rudy's is pretty darn tasty.