Buying a Wand
Buying a Wand requires it to be custom made for the owner. The Wand has a Resource Cost equal to the character's Growth + the Wand's Potency. The Potency of the Wand can not surpass the character's Growth + 3. If the character wishes the Wand to have an additional School, the Resource Cost is increased by 3.
Buying a Scroll
Buying a Scroll is possible. The Scroll has a Resource Cost equal to Half (Growth of Scroll Crafter + Difficulty of Spell + Potency of Spell) (rounded up). The Potency of the Scroll is limited to the crafter's Growth + 3.