petalburg mart: buy 5 potions, 6 repels
Get Bullet Seed
rustboro mart: sell balls and Bullet Seed, buy 2 super potions, 4 x speed, 3 x attack
Teach Rock Tomb over Tackle after Abra manip
Get Beach Ether
RT Museum Zubat
Go North after Wattson
Ether MS at some point
CTB: RT, MS, WG
Fallorbor mart: Sell Nugget + TMs, Buy 3 Super Potions, 15 Super Repels, 8 X Specials, 5 X Attacks, 1 X Defend, 2 Guard Spec 
Skip Carbos
Grunt: RT, MS
Matt: MS x3
Ether MS again at some point
Archie: GS, X Speed, X Attack, MS, X Attack, MS, RT x1-2, MS
Herb shop: Sell Overheat, Buy 2 Energy Powders, 5 Energy Roots, 5 Heal Powders
Get and use Max Ether + Teach Strength over RT on way to Norman
After Norman go to Petalburg Mart
Petalburg Mart: Buy 4 Super Potions, 1 Escape Rope, 5 X Speeds, 5 X Attacks

Alternate Wattson gym: Skip one Ether, buy 1 less X Speed and 1 more Repel, Skip picking up Repel, Center before Wattson Gym, Skip Shawn X Speed