On a house built around 1938, the door that jumps track usually isn't jumping because of one bad day - it's the roller bracket finally giving out after decades of a slightly bowed track nobody straightened. You'll hear it before you see it: a scrape or a bang on the way up, then the door hangs crooked, one corner lower than the other, or it stops moving altogether with the opener straining against it.
A door that's merely loud but still tracking straight is a different problem - lubrication, worn hinges, loose brackets - and it's a cheaper visit. A door that's visibly off the rail, or where the bottom panel sits at an angle to the frame, is the off-track call, and on Berwyn's older narrow-track doors it often comes with a bent track section, not just a fallen roller.
At Berwyn's median income of $75,235, we tend to lean toward repairing rather than replacing when the track and rollers are the only casualty - that math changes fast if the spring or the panel itself is also damaged, and we'll tell you honestly when it's crossed that line.