Small habits that keep your roster clean, your access safe, and your bill accurate.
Archiving makes someone inactive: their history of worked shifts stays intact, and they drop out of scheduling and your bill. Deleting throws away the record.
Not everyone needs to be an admin. Fewer admins means fewer accidental changes to settings and schedules. Hand out admin sparingly.
Adding people one at a time is fine for a few. For a whole roster, a bulk import saves a huge amount of clicking — and it skips anyone already on the team.