diff --git a/src/data/presets.ts b/src/data/presets.ts
new file mode 100644
index 0000000..4d593f4
--- /dev/null
+++ b/src/data/presets.ts
@@ -0,0 +1,36 @@
+import type { CategoryType } from "@/lib/types"
+
+export interface PresetItem {
+  slug: string
+  type: CategoryType
+  defaultAmount: number // EUR, round number — do NOT suffix with currency symbol
+  item_tier: "fixed" | "variable"
+}
+
+export const PRESETS: PresetItem[] = [
+  // income (4)
+  { slug: "salary",         type: "income",           defaultAmount: 3000, item_tier: "fixed"    },
+  { slug: "freelance",      type: "income",           defaultAmount: 500,  item_tier: "variable" },
+  { slug: "rental_income",  type: "income",           defaultAmount: 800,  item_tier: "fixed"    },
+  { slug: "other_income",   type: "income",           defaultAmount: 200,  item_tier: "variable" },
+  // bill (4)
+  { slug: "rent",           type: "bill",             defaultAmount: 1000, item_tier: "fixed"    },
+  { slug: "electricity",    type: "bill",             defaultAmount: 80,   item_tier: "fixed"    },
+  { slug: "internet",       type: "bill",             defaultAmount: 40,   item_tier: "fixed"    },
+  { slug: "phone",          type: "bill",             defaultAmount: 30,   item_tier: "fixed"    },
+  // variable_expense (5)
+  { slug: "groceries",      type: "variable_expense", defaultAmount: 400,  item_tier: "variable" },
+  { slug: "transport",      type: "variable_expense", defaultAmount: 100,  item_tier: "variable" },
+  { slug: "dining_out",     type: "variable_expense", defaultAmount: 150,  item_tier: "variable" },
+  { slug: "health",         type: "variable_expense", defaultAmount: 50,   item_tier: "variable" },
+  { slug: "clothing",       type: "variable_expense", defaultAmount: 100,  item_tier: "variable" },
+  // debt (2)
+  { slug: "loan_repayment", type: "debt",             defaultAmount: 200,  item_tier: "fixed"    },
+  { slug: "credit_card",    type: "debt",             defaultAmount: 100,  item_tier: "fixed"    },
+  // saving (2)
+  { slug: "emergency_fund", type: "saving",           defaultAmount: 200,  item_tier: "fixed"    },
+  { slug: "vacation",       type: "saving",           defaultAmount: 100,  item_tier: "fixed"    },
+  // investment (2)
+  { slug: "etf",            type: "investment",       defaultAmount: 200,  item_tier: "fixed"    },
+  { slug: "pension",        type: "investment",       defaultAmount: 100,  item_tier: "fixed"    },
+]