We run this job out of Smyrna, about 14 miles from North Decatur, so a visit here gets scheduled rather than walked in on. That's the honest limitation: we're not based in North Decatur and we don't pretend to be, so same-day isn't something we promise for this area the way we might closer to the shop. What we do is scope the opener swap over the phone first - motor type, door weight, whether the existing rail and bracket hardware is worth keeping - so the truck that shows up has the right unit and the right mounting hardware for a house built in the 1974 range, not a generic kit.
With roughly 8,142 households in North Decatur, we're one of several areas on our route rather than a daily stop, which is exactly why the phone scope matters: it keeps the trip from turning into two trips.