1-40: poisons
40-90: dyes (doesn't matter what type; cloth/leather/enamel)
90-128: poisons
129-145: dyes
146-210: poisons
211-272: dyes
273-354: poisons
356-390: stat buff potions
391-416: healing potions
417-426: poison (insidious lethal venom)
427-466: dyes
467-482: poisons
483-500: healing potions
501-524: poison (lifebane; faster and cheaper than going ahead to the special potions)
524-559: minor trophy potions
559-569: charges
570-584: special potions
585-600: healing potions
601-629: weapon effects
630-659: special potions
659-700: healing potions
701-710: weapon effects
711-758: dyes (considerably less expensive w/ a 30s loss per make)

>>>> This is where it begins to get more expensive <<<<

759-785: weapon effects
786-805: charges
806-814: effects
815-863: dyes (considerably less expensive w/ a 1g50s loss per make compared to 7-9g)
864-874: weapon effects (854 item; volatile spirit astertite)
875-890: charges (874 item; stable spirit netherium)
891-910: weapon effects
911-955: charges
956-974: weapon effects
975-980: lvl 40 reactive effects

980-1040: 1000 special potions (stong elixer of shard skin; uses ancient mirror, one of the more common alchemy drops.  special potions cost 2g75s as opposed to losing 35g per make on effects.  I used close to 300 drops to level this)

1041-1046: charges
1047-1066: lvl 43 reactive effects
1067-1076: lvl 47 reactive effects
1076+: filling orders