5.

"For every 8 hours of filming, it yields approximately 1 minute of footage (if that). There's so much waste in filmmaking."

— godofwine16

"A day on a large film set involves a ton of set-up; it's not that it's 'wasteful' in the creative process sense, but it feels wasteful in the practical sense.

You might have 5 hours of setting up at a location and getting your talent through hair/makeup/wardrobe, roll for an hour, break for lunch, roll for 3 more hours, then begin wrap.

That means you've got 4 hours of shooting, which involves a lot of blocking, troubleshooting, getting different angles, getting multiple takes for performance, and setting up different shots.

If you're shooting a simple conversation between two actors in one room, sitting at a table, you'll get a lot more of a scene in those 4 hours than if you're doing a stunt-filled climactic scene with gunfire, explosions, and fights.

This is why it took 25 days to film the Battle of the Bastards in Game of Thrones .…