you taxi with full up elevator.

when taking off hold full up elevator and release as it builds speed. when nutural and the tail comes up gently pull it off the ground. Depending on the plane this could be seconds and less than 10 feet or half the runway of it's a heavy warbird.

landing you should be at full up elevator at the same time it touches down. So you begin slowing down with a little up elevator and as it get closer to the ground, slowing and flaring you again should be at full up right about the time it touches down. The big difference is you need to be on top of the elevator