A wedding gives you exactly one chance at every moment, which makes preparation the difference between a smooth day and a scramble.
Unlike most other genres, there's no reshoot on a wedding day. A missed detail shot, a battery that dies during the vows, or a shot list that wasn't confirmed with the couple beforehand can't be fixed after the fact — which is why wedding photography rewards over-preparation more than almost any other kind of shoot.
The timeline is the backbone of the whole day: knowing when getting-ready ends, when the ceremony starts, and where the light will be during the reception lets you plan gear and positioning in advance instead of reacting in real time. Backup bodies, backup cards and a charged spare battery aren't optional here — a single point of failure on a wedding day is a real risk, not a hypothetical one.
If you're working with a second shooter, coordinating who covers what (getting-ready, the aisle, the reception floor) before the day starts avoids both duplicated coverage and, worse, gaps neither of you catches until it's too late to fix.
A few things to plan for