That bit about cutting redo requests in half, a buddy of mine learned the same thing. He started adding a few minutes to just talk it out and it worked out way better.
Remembered I used to be the king of the rushed haircut consult. Told a guy "short on the sides" once and he came back looking like I'd used a lawnmower. Turns out he meant a two guard, not a half-inch blade. Now I point at pictures like my life depends on it. That extra minute saves a whole lot of "oh, you meant that short.