Moving one WordPress site is easy. Moving twenty in a weekend is a pipeline, and the failures that cost you are the quiet ones: writes landing on the old server, cron firing on two boxes, certificates blocked by ACME rate limits. Here is the fleet migration process I use, from manifest to per-site rollback.
The dashboard is fine for editing a post. It is a terrible tool for anything touching a thousand rows, twelve plugins or two servers. Here are the WP-CLI commands that save hours on migrations, plugin conflicts, stalled cron and integrity checks, grouped by the job that eats the time, with the failure modes each one hides.
A plugin quietly reverts after every deploy and nobody knows why. That is what happens when Git and wp-admin both think they own the file tree. Here is how to build a deployment workflow where the repo is the source of truth and the database only ever travels one way.
Moving a WordPress website involves much more than copying files. This practical migration guide explains how to transfer WordPress safely, minimize downtime, protect SEO, preserve email services, and avoid lost data.