{
  "upgrades": [
    {
      "id": "starting-farmhouse",
      "name": "Starting Farmhouse",
      "tier": 1,
      "cost": 0,
      "materials": [],
      "description": "The initial farmhouse. One room with a bed. No kitchen.",
      "image": "images/buildings/house/House (tier 1).png",
      "prerequisite": null
    },
    {
      "id": "upgrade-1",
      "name": "Farmhouse Upgrade 1",
      "tier": 2,
      "cost": 10000,
      "materials": [{ "item": "Wood", "quantity": 450 }],
      "description": "Adds a kitchen with a cooking counter and refrigerator, enabling cooking. The bedroom is separated and the bed is upgraded to a double, enabling marriage.",
      "image": "images/buildings/house/House (tier 2).png",
      "prerequisite": "starting-farmhouse"
    },
    {
      "id": "upgrade-2",
      "name": "Farmhouse Upgrade 2",
      "tier": 3,
      "cost": 65000,
      "materials": [{ "item": "Hardwood", "quantity": 100 }],
      "description": "Adds two new rooms (one empty, one with a crib and child beds) and a larger layout. Unlocks house renovations and house painting from Robin.",
      "image": "images/buildings/house/House (tier 3).png",
      "prerequisite": "upgrade-1"
    },
    {
      "id": "cellar",
      "name": "Cellar",
      "tier": 4,
      "cost": 100000,
      "materials": [],
      "description": "Adds a cellar accessible via the kitchen. Contains casks for aging Cheese and Wine to higher quality.",
      "image": "images/buildings/house/indoor-images/Cellar Inside.png",
      "prerequisite": "upgrade-2"
    }
  ],
  "renovations": [
    {
      "id": "remove-crib",
      "name": "Remove Crib",
      "cost": 0,
      "description": "Removes the crib from the children's room, preventing any additional children.",
      "image": "images/buildings/house/renovations/Removed crib.png",
      "prerequisite": null
    },
    {
      "id": "open-bedroom",
      "name": "Open Bedroom",
      "cost": 10000,
      "description": "Opens up the bedroom by removing the wall between it and the main room.",
      "image": "images/buildings/house/renovations/Opened bedroom.png",
      "prerequisite": null
    },
    {
      "id": "add-southern-room",
      "name": "Add Southern Room",
      "cost": 30000,
      "description": "Adds a new room to the south side of the farmhouse.",
      "image": "images/buildings/house/renovations/Add southern room.png",
      "prerequisite": null
    },
    {
      "id": "add-corner-room",
      "name": "Add Corner Room",
      "cost": 20000,
      "description": "Adds a corner room addition to the farmhouse.",
      "image": "images/buildings/house/renovations/Add corner room.png",
      "prerequisite": null
    },
    {
      "id": "expand-corner-room",
      "name": "Expand Corner Room",
      "cost": 100000,
      "description": "Expands the corner room into a larger space.",
      "image": "images/buildings/house/renovations/Expand corner room.png",
      "prerequisite": "add-corner-room"
    },
    {
      "id": "add-attic",
      "name": "Add Attic",
      "cost": 60000,
      "description": "Adds an attic space above the farmhouse.",
      "image": "images/buildings/house/renovations/Farmhouse with Attic.png",
      "prerequisite": null
    },
    {
      "id": "cubby",
      "name": "Cubby",
      "cost": 10000,
      "description": "Adds a small cubby space to the farmhouse.",
      "image": "images/buildings/house/renovations/Farmhouse with Cubby.png",
      "prerequisite": null
    },
    {
      "id": "dining-room",
      "name": "Dining Room",
      "cost": 150000,
      "description": "Adds a formal dining room to the farmhouse.",
      "image": "images/buildings/house/renovations/Dining room.png",
      "prerequisite": null
    },
    {
      "id": "open-dining-room",
      "name": "Open Dining Room",
      "cost": 10000,
      "description": "Opens up the dining room by removing the wall between it and the adjacent area.",
      "image": "images/buildings/house/renovations/Open dining room.png",
      "prerequisite": null
    }
  ]
}