A door system installed around 2004 was built to a different set of expectations than one from the 1980s. Rollers were often cheaper nylon, cable ends weren't always galvanized, and opener logic boards from that era don't have the diagnostic lights modern units use - so when something starts going wrong, the signs are quieter. A homeowner might just hear a new rattle or notice the door hesitates a half-second before it moves. With roughly 700 households in Gunter and a median income above $110,000, we also see more two-car, heavier insulated doors than you'd find on older, smaller housing stock elsewhere in the area - more weight means more strain on springs that are now 18 to 20 years old and were sized for the door, not for two decades of flex fatigue. The climate here is the same cold-moderate band as the rest of the region, so freeze-thaw cycling on cable ends and hinge pins applies evenly. The failure point specific to this housing age is spring fatigue nobody's replaced yet, paired with opener gear-sets that are original and wearing down without having thrown an obvious fault.