Shoot. When I was a kid it was typical that one would put their film into an envelope and drop it in a box at the drugstore and come back 5 to 7 days later to pick up the pictures. Often they wouldn't be there the first time you stopped in.
That was life and nobody made a big deal about it.
It was the introduction of Fotomat that brought us 3 or 4 day service and it wasn't until the late 1980's that the 1-hour minilab started showing up. I remember those 1 hour places were horrible at the beginning and one could choose 24 hour service for better results.
So, going back to drop-off and pick-up 7 days later is just returning to the pre-minilab days.