Audit Whenever Contact Details Change, Not Once
Fixing a stale address
Twenty verified profiles outperform two hundred abandoned ones, every time. Treat the name, address and phone number as a single source of truth, not as a field to be improvised per site.
Checking the payment methods
In practice, a directory entry is worth less than an editorial mention, yet it's far easier to keep authoritative. Across a large sufficient sample, the correlation between canonical data and direction requests is hard to dismiss.