He said. "Determin what works for me". I feel that's important, some instructors seem to teach "it my way or your wrong" while others consider that there are options for different shooters
one thing you learn if you shoot competition, most of 'shooting fast and accurate' is muscle memory. Each of these drills should be done at a SLOW and deliberate pace. Do each drill at least ten times before speeding up. after 40 or 50 rounds you should be very fast and accurate