A common mistake on the backswing is to hinge instead of cock your wrists, a perfect drill to help fix this is to pre set your backswing by cocking your wrists right up in front of your face at address and then turning into a full backswing
You should be able to hear a perfect impact because the club hits the ball then the ground creating one sound, if you bottom out too early you will hear the impact of the club on the ground then the ball being hit
Half wedge shots are very important for the advanced player and build the basis of a full swing