1.If at all possible visit the location previously to assess the layout, lighting, powerpoints for recharging and to be sweet to the clergyman / officers.
3.Have a checklist for the day, so you remember a single thing. Focus on keeping the camera still ( unless you are adept at tracking ). I had one bride who maintained that I never let the camera stop even for a second. They called me one-shot tom for months later.
9.Try to be in 2 places right now.
Wear subtle clothing, take a brave tablet and move among the guests, filming and smiling graciously.
Decline alcohol ( troublesome one this ) as drinking time is lost filming time. You can not do two things well, so focus on getting the pictures.
10.Edit cold heartedly, you hear me? Keep the first experts for sure, but if possible get the ecstatic couple to see your edited masterwork before they see the long version.
Remember your camcorder is a sound recorder that just happens to record photographs at the very same time. If you stop recording mid sentence the conversation will be nonsense wheras the footage may be fine.