Selenity has gone around and spread the word to a few of the npc village folk about services she is willing to offer. ((Categories with a star are areas she is specializing in))
***Alchemy: Lye Healing Covers of varying potency.
***Animal Related: Cow Milk
Odd Jobs: Brick-making Mortar pegs
Available Discounts: If you bring her your unwanted byproducts: Glands, Teeth, anything from this wiki post basically she will give you a discount on healing covers or if you do not want the discount she will buy them in bulk only.
EXCEPTION: You bring her unicorn horns and she will charge you DOUBLE.