Seed of Renewal (stat regen): 20K
Changa Mushroom (luck): 1k
Ichor (nightsight): 20K (maybe lower, dunno what it cost to craft)
Wolf eye (reflect physical): 1K (easy, always there)
Fairy Dust (LCR): 5K (easy, but may need spawn worked)
Abyssal Cloth (mage armor): 50K (again, I don't know what it cost to craft, but I have yet to see one drop)
Boura Pelts (resists): 3K (haven't tested the drop rate per hour yet)
Crystal Shards (DI): 50K
Delicate Scales (use best weapon skill): 50K
Void Orbs (hit leeches): 1K
Slith tongue (hit dispel): 1K
Raptor Teeth (hit area effects): 1K
Vial of Vitriol (elemental slayer): 20K
Goblin Blood (respond slayer): 1K (easy)
Crushed Glass (enahance potions): 50K
Crystaline Blackrock (plus skill): 50K
Powdered Iron (durabiliy): 50K
Elven Fletching (lower requirements): 50K
Silver Snake Skin (spell channeling): 5K
Undying Flesh (undead slayer): 1K
Archaic Rune Stone (mage): 50K
The ones I pushed up to 50K are because they really don't like to drop.