How comment-to-DM flows work, the platform rules behind them and how to tell whether they are working. Based on official platform documentation, without invented numbers.
What happens between a comment and the DM it triggers: professional accounts, private replies, the one-message rule and the 7-day window.
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How to pick comment keywords that are easy to type, hard to trigger by accident and clear about what the commenter gets in return.

The 24 hour window, the 7-day private reply rule, the Human Agent tag and the API rate limits, explained with Meta's own numbers.

Both send people to the same place. They differ in effort, setup and what you learn. A practical comparison without made-up conversion numbers.

Automation should answer the simple questions and step aside for the rest. How to design handoff triggers, routing and response times.

Replies sent is the least useful number on the dashboard. The metrics that show whether a comment-to-DM flow works, and how to read them.