When I did this years ago I found 5 was really a minimum so that I could cover weekends and then had extra coverage as needed during the week.
I did find it was good to swap out the graveyard shift every 6 months or so.
When I did this years ago I found 5 was really a minimum so that I could cover weekends and then had extra coverage as needed during the week.
I did find it was good to swap out the graveyard shift every 6 months or so.