The landscape shifts, but the underlying requirement, checkable, accurate data, has not.
Keep a change log; six months on, no one remembers which field was edited or why. Handled steadily, NAP records stop being a project and become a habit.
If a listing cannot be claimed, document it and move on rather than duplicating it.
Anything unverifiable should be removed rather than corrected. Authoritative records are one of the few local levers that still work without a budget.
Index of links
[1] 78982045.xyz
Claim what exists before creating anything new, duplicates are harder to remove than to avoid. Where competitors are sloppy, verified data is sufficient to take clearer brand recognition.