The Gear, be prepared
Photographer Kit
2 full chip camera bodies (one for backup)
Or 1 full chip camera with 1 crop sensor as the backup
Canon, Nikon or Sony
Range of lenses
From 24mm prime to 70-200mm (or crop equivalent)
24mm prime
35mm
50mm 1.8
70-200mm 2.8
Off camera flash
Profoto A1X, Godox, or any reputable speedlite
At least 3 flash unit and triggers for backup. 2 is enough in the field, 1 extra just in case
SD and CF cards
Writes to both cards simultaneously, RAW files
Automatic backup in the field