Since Phoenix has been out awhile I figured I would share. I think it’s less than 5p total, but if someone wants to test it please report back. Essentially you just make the cheapest option at every step until it turns grey.
Alchemy Guide:
1-554: Poisons
554-640: Healing Potions
640-730:Magical Poisons
730-781: Dyes
781-800: Charges
800-840: Dyes
840-905: Unique Dyes
905-951: Charges for vendor or Effects (weapon dd to resell)
951-1050: Magical Poisons
1050-1062: Weapon Lusters
Alchemy Guide:
1-554: Poisons
554-640: Healing Potions
640-730:Magical Poisons
730-781: Dyes
781-800: Charges
800-840: Dyes
840-905: Unique Dyes
905-951: Charges for vendor or Effects (weapon dd to resell)
951-1050: Magical Poisons
1050-1062: Weapon Lusters