PETALBURG CITY
- Buy 1 Potion, 3 Repels, 1 X Speed, 3 X Attacks (2/3/2/2 if high-IV +Attack and 27+ IV Speed)

SLATEPORT CITY
- Sell TM39 and TM47
- Buy 6 Super Potions and 3-4 Repels

FALLARBOR TOWN
- Sell HP Up and Nugget
- Buy 0-1 Escape Ropes, 7 Super Repels, 6 X Specials, 6-7 X Speeds, 12 X Attacks, 1 Defend and 1 Guard Spec.

HERB SHOP
- Don't sell TM50
- Buy what you can afford, which is usually 7 Energy Roots and 4 Heal Powder

MOSSDEEP CITY
- Buy 6 Max Repels, 3-4 Revives and as many Hyper Potions as you can afford

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With Zig money item after getting HP Up, consider skipping Mossdeep Mart (requires 14 Super Repels and more Energy Roots)

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Differences:
- Get HP Up to sell
- Don't sell TM34 or get TM32 to sell
- Buy 1 more Super Potion
- Buy 1 more X Special
- Buy 1 more X Speed
- Buy 1 more X Attack
- Don't sell TM50