The reality check
Living here is not Austin.
The Pedernales corridor is rural Texas Hill Country. That sounds romantic in listing photos. The reality is wells that occasionally need work, septic systems that need pumping, propane deliveries instead of natural gas, Starlink instead of fiber (mostly), and a 30 to 90 minute drive to anything resembling a city. For some buyers this is exactly what they wanted. For others it is a bigger lifestyle shift than they expected.
The full-time families who thrive here tend to share a profile: they like the privacy more than the convenience, they like a long driveway more than a short commute, they will fix their own things or call a neighbor before they call a service. The weekend buyers who do well treat the property as a complete change of pace from urban Austin, not as an extension of urban life with a river view.
The good: dark skies for stargazing, swimming holes 200 feet from your front door, deer in the yard most mornings, no HOAs telling you what color to paint your shutters, lower property tax than Austin proper, school coverage from Lake Travis ISD on most of the south corridor, weekends spent on the river rather than fighting traffic.
The tradeoffs: well water hardness, occasional septic maintenance, 30 to 60 minute drive to a real grocery store on the Spicewood corridor (longer from Johnson City), spotty cell service in some areas, no city water on most parcels, building inspections by county not by city, and the inevitable conversation about whether you want a generator for the next ice storm.