nEngine/examples/sample-game/content/shops/general-store.yaml

# Shop: the general store buys harvests (parsnip/carrot/egg) and sells tools
# and seeds. Convention: sells = shop sells to the player; buys = the shop
# buys from the player.
id: general-store
buys:
  - { itemId: parsnip, price: 30 }
  - { itemId: carrot, price: 40 }
  - { itemId: egg, price: 15 }
sells:
  - { itemId: hoe, price: 500 }
  - { itemId: watering-can, price: 300 }
  - { itemId: parsnip-seed, price: 20, stock: 99 }
  - { itemId: carrot-seed, price: 25, stock: 99 }