Early Game
Teach Echoed Voice over Growl

Slateport
Skip Soft Sand
Teach Mud Shot over Tackle

Slateport Shopping 1:

Mauville 1
Mauville Shopping 1: Buy Bulldoze
Teach Bulldoze over Mud Shot
After Wattson, get the Metronome

Fallarbor
Get the Nugget

Mauville 2
Mauville Shopping 2: Sell Nugget, Buy Power Up Punch. 
Equip Metronome before Mt. Chimney

Mt. Chimney
Heal to full when Repelling before Chimney
Chimney Grunt: Echoed Voice x3 (if Swagger, full heal, Rock Smash, Rock Tomb x2)
Tabitha 1: Bulldoze Koffing til boom. Heal like usual
Teach Power Up Punch over Echoed Voice. Equip Persim
Maxie 1: X Speed (x2), (X Attack if no Swagger), Power Up Punch x2, Bulldoze, Rock Tomb

Lavaridge
Re-equip Metronome
Flannery: Bulldoze x4. X Attack if Torkoal Curse

Petalburg 2
George: Some combo of PuP and Bulldoze (3 total turns)
Norman: X Defense, Power Up Punch, X Speed (x2), X Attack, Power Up Punch x2, Power Up Punch, Power Up Punch (heal as needed)

Sootopolis:
Teach Power Up Punch over Lava Plume, (Teach Smack Down over Rest, Teach Overheat over Precipice Blades). Equip Persim
Wallace: Earthquake, Power Up Punch Earthquake, Earthquake, Earthquake, Earthquake

Route 126:
If Persim equipped, just leave it on and equip Metronome after Hope. If not, equip metronome when you teach Waterfall
Byrn: Power Up Punch Earthquake, Earthquake (should be a good range now!!!!!)
Edgar: Earthquake
Wally 2: Smack Down Earthquake, Earthquake, Power Up Punch Earthquake, Earthquake, Earthquake

Elite 4:
No red orb Sidney
Sidney: (X Speed) Power Up Punch x2, Power Up Punch, Earthquake, Earthquake, Earthquake
Equip Red Orb and do normal Phoebe
Glacia: Power Up Punch x2, Earthquake, Earthquake, Earthquake, Overheat/Power Up Punch
Equip Metronome, Teach Strength over Overheat, Swords Dance over Power Up Punch
Drake: (X Speed), Swords Dance x2, Strength (x2), Strength, Strength, Strength, Strength






Total Time Saves:
Skip Soft Sand (9s)
Chimney Grunt (2 turns) (8s)
Maxie 1 (1 turn) (4s)
Norman (3 turns) (12s)
Byrn (1 turn) (4s)
Wally 2 (1 turn) (4s)
No Red Orb on Sidney (10s)
Drake (1 turn) (4s)
Total: 55s

Total Time Losses:
Small menuing stuff for move order
Wally 1 (1 turn) (4s)
Getting Metronome (28s)
Picking up and selling the Nugget (7s)
Buying Power Up Punch (6s)
Teaching Power Up Punch (12s)
Possible turn on Flannery (0-4s)
Teaching Power Up Punch (12s)
Sidney (1 turn) (4s)
Total: 73s

Difference: +18s

QoL improvements:
No smokescreen troll on Chimney Grunt (4s lost usually)
Maxie is less trolly (worst case for both fights is 16s slower)
George is always a 3 turn (4s lost usually)

Conclusion: Added consistency for ~20s of timeloss. Might be better for different stat ranges. Would have to do the math...