Is catch-all supported yet for custom email domains on iCloud+? That's really the only thing holding me back from it.

Without asking directly how you’ve occupied your time, and assuming you’re in a tech field:

Have you contributed towards any projects, be it your own or others’? What about schooling? Either can provide a partial explanation to your original question.

Under their Oath umbrella, Verizon operates domains (such as wow.com, love.com, etc.) that customers still use for email, do you think they’ll sell these assets off?

If it's under the Oath umbrella, it was included in the sale.

NameGrep sounds like something you’re looking for, as it uses standard regex formatting for searches (also includes .org searches).

Note: they use affiliate links when clicking on the extension you’re selecting