You can't fix what you can't find.
Salt air ages pipe from the outside. Time ages it from the inside. Put a few decades of both into a beach cottage and eventually something lets go where nobody can see it, under the slab, inside a wall, along a line that's been quietly corroding since long before you moved in. The evidence shows up in disguise. A water bill that jumped with no lifestyle change. A warm spot underfoot. A musty smell that comes and goes with no source. A meter that moves with everything off.
What that situation needs is a search, and the search doesn't require destruction anymore. Detection equipment finds leaks through concrete and behind walls without opening anything, and the visit ends with the spot marked, the situation explained in plain English, and the options laid out before a single repair decision gets made. In an older beach home, that order protects everything, no exploratory holes, no tearing into original walls on a hunch.
Sometimes the search finds nothing, and around here that news lands like sunshine. The big fear is off the list, and the bill mystery gets chased somewhere cheaper. Either way the wondering stops, which is honestly half of what people are paying for. The other half is knowing that if something is leaking, it's found, marked, and fixable, on your timeline, by your decision.
"Find it precisely, and the repair is small. Guess, and you tear out a wall."