Some really nifty features on the way in Drafts 5 (currently in beta), including Workspaces. App does a nice job of being as simple or complex as you want.

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Dave Mark, writing for the Loop:
If you lose the case and don’t have the serial number anywhere, you can’t even replace the case without it.
This seems a little crazy. The full article at the Loop contains instructions for locating your serial number. I have yet to lose the AirPods individually, but have misplaced the case (with AirPods inside) a couple of times.