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docs/goods/planks.md

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+# Planks
+
+**Entity Type:** Good
+
+## Properties
+
+| Field | Value |
+|-------|-------|
+| Category | Construction Material |
+| Purchase Price | 12 Denarii |
+| Selling Price | 4 Denarii |
+| Available From | Liberti, Waders |
+
+## Production
+
+**Produced By:**
+- Sawmill (Albion)
+- Sawmill (Latium)
+
+## Notes
+
+Planks are a fundamental construction material produced from wood at sawmills. They are available from the very beginning of the game and used extensively in building construction.