With eSIM, which you can park a variety of for later use
https://padlet.com/zcakx19xzozw/bookmarks-hetkcz555ebo7kzw/wish/j40PQDyDXnNYZvXB
With eSIM, you are able to park a bunch for later use, conserving it inactive yet waiting to spark off while wished without dealing with a bodily card at all.