Older roofs settle differently
A roof past fifteen years is frequently paid at actual cash value rather than replacement cost, which means depreciation comes off the check at exactly the moment the roof fails. In a city with housing stock this age, establishing which basis your policy uses is the single most valuable five minutes available.
Plumbing that predates the neighborhood next door
Supply lines, water heaters and shutoffs all have service lives, and a sudden failure is covered where a slow leak generally is not. The distinction turns on how long water escaped before anyone noticed, which is why a failed shutoff is a worse claim than a burst line.
Monsoon runoff from everywhere upstream
A small city downhill of larger developed ones receives water that was generated somewhere else. Flood is excluded from every homeowners and renters form, and whether you are in a mapped zone says less than what is upslope of you.