A lot of what a door needs is within reach of a homeowner, and in Thompson's Station that's especially true. The median house here was built around 2013, which puts most garage doors well inside their service life, still on factory rollers and factory openers with sensors that work the way they're supposed to. You can wipe down the tracks, check that the photo-eye sensors aren't knocked out of alignment, and listen for a motor that's starting to strain. What you shouldn't touch is the torsion spring system or anything holding tension - that's true on a 2013 door just as much as an older one, maybe more, since newer double-car doors on these builds tend to run wider and heavier than what you'd find on an older single-bay house. Across the broader Columbia service area, median household income runs $70,163; Thompson's Station households report a median closer to $122,139, and we mention that only because it tends to track with larger two- and three-car garages and heavier insulated sectional doors - more door to maintain, more weight on the springs. The honest limit here: if you hear a grinding opener or see a bent track, that's a call, not a weekend project.