PETALBURG 1: Buy 4 Potions and 3 Repels
RUSTBORO: Sell TM39. Buy 2 Super Potions, 6 Repels, 2 X Speeds and 3 X Attacks
FALLARBOR: Sell Nugget and TM47. Buy 12 Super Repels, 4 X Specials, 1 X Speed, 12 X Attacks and 2 Guard Spec. (if need X Defend, sub out 1 X Attack)
HERB SHOP: Buy 4 Energypowders, 5 Energy Roots and 6 Heal Powders
PETALBURG 2: Buy 2 Potions, 2 Escape Ropes, 3 X Speeds and 12 X Attacks
MOSSDEEP: Buy 11 Max Repels

Also see: http://pastebin.com/ubg4cfEC