This one trick will save you 80% of your wikitext debugging time!
Cargo actually provides a way to cleanly rename tables without any "downtime," but it's not obvious or documented how to do this.
What's a bot password? What's the difference between bot accounts and bot passwords? Why do I need all this anyway?
Sometimes it can seem convenient to use the built-in _pageName field that Cargo provides; however, _pageName is a metadata field, and you should take care to use it only as such.