Stop Letting Soil Texture Distract You From Caliche Depth

I almost bought a gorgeous 20-acre parcel because the topsoil felt perfect in my hands. Sandy loam, good color, crumbled nicely. I was sold. Then a neighbor suggested I bring a soil probe and actually check depth before signing anything. Six inches down? A solid caliche hardpan layer. Completely impenetrable without serious equipment. No deep-rooted vegetables, no fruit trees, no meaningful water infiltration. That land would have destroyed my farming plans before I started. Every real estate listing, every neighbor, every well-meaning extension agent talked about soil texture. Nobody warned me that in the Hill Country specifically, caliche depth is the actual make-or-break variable. A beautiful surface means almost nothing if hardpan sits four inches below it. I now probe every parcel in at least eight spots before I give a property serious consideration. Costs me an afternoon. Has saved me from two bad purchases since. Anyone else finding that their specific region has one hidden variable that overrides everything else buyers typically obsess over?