• I have no garage door opener so I added a tag in my car to open the smart garage without having to open the app and fiddle with things.
• I added a tag to our light switch that turns on our bedroom lamp (softer, more pleasant light at night).
• I added a door tag to unlock the door (no information contained on the tag so nobody can break in).
• I added a tag that pauses an automation at night so my stair lights don't come on with motion sensing.

This is literally just the tip of the iceberg. I think of a new one every couple hours. Anyone have any other cool ones to share?