diff --git a/export_incremental.py b/export_incremental.py
new file mode 100644
index 0000000..f368d98
--- /dev/null
+++ b/export_incremental.py
@@ -0,0 +1,141 @@
+#!/usr/bin/env python3
+"""
+Export only NEW auctions/lots that haven't been sent to server yet
+Prevents UNIQUE constraint errors on server import
+"""
+
+import sqlite3
+import json
+import csv
+from datetime import datetime
+from pathlib import Path
+
+DB_PATH = "C:/mnt/okcomputer/output/cache.db"
+OUTPUT_DIR = Path("C:/mnt/okcomputer/output")
+SYNC_STATE_FILE = OUTPUT_DIR / ".server_sync_state"
+
+def get_last_export_timestamp():
+    """Get timestamp of last successful export to server"""
+    if SYNC_STATE_FILE.exists():
+        return int(SYNC_STATE_FILE.read_text().strip())
+    return 0
+
+def save_export_timestamp(timestamp: int):
+    """Save timestamp of successful export"""
+    SYNC_STATE_FILE.write_text(str(timestamp))
+
+def export_new_data():
+    """Export only records that are NEW since last server import"""
+    conn = sqlite3.connect(DB_PATH)
+    conn.row_factory = sqlite3.Row
+    cursor = conn.cursor()
+
+    last_export = get_last_export_timestamp()
+    current_time = int(datetime.now().timestamp())
+
+    print("="*60)
+    print("INCREMENTAL EXPORT FOR SERVER")
+    print("="*60)
+    print(f"Last export: {datetime.fromtimestamp(last_export).strftime('%Y-%m-%d %H:%M:%S') if last_export else 'Never (will export ALL)'}")
+    print(f"Current time: {datetime.fromtimestamp(current_time).strftime('%Y-%m-%d %H:%M:%S')}")
+    print()
+
+    # Get new auctions (discovered_at > last_export)
+    if last_export == 0:
+        # First run: export all
+        cursor.execute("SELECT * FROM auctions ORDER BY auction_id")
+    else:
+        # Subsequent runs: only new ones
+        cursor.execute("""
+            SELECT * FROM auctions
+            WHERE discovered_at > ?
+            ORDER BY auction_id
+        """, (last_export,))
+
+    new_auctions = [dict(row) for row in cursor.fetchall()]
+
+    # Get new lots (scraped_at_timestamp > last_export)
+    if last_export == 0:
+        cursor.execute("SELECT * FROM lots ORDER BY lot_id")
+    else:
+        cursor.execute("""
+            SELECT * FROM lots
+            WHERE scraped_at_timestamp > ?
+            ORDER BY lot_id
+        """, (last_export,))
+
+    new_lots = [dict(row) for row in cursor.fetchall()]
+
+    conn.close()
+
+    # Export to server-ready files
+    timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+    files_created = []
+
+    # Export auctions
+    if new_auctions:
+        auctions_csv = OUTPUT_DIR / f'auctions_{timestamp}.csv'
+        auctions_json = OUTPUT_DIR / f'auctions_{timestamp}.json'
+
+        with open(auctions_csv, 'w', newline='', encoding='utf-8') as f:
+            writer = csv.DictWriter(f, fieldnames=new_auctions[0].keys())
+            writer.writeheader()
+            writer.writerows(new_auctions)
+
+        with open(auctions_json, 'w', encoding='utf-8') as f:
+            json.dump(new_auctions, f, indent=2, ensure_ascii=False)
+
+        files_created.extend([auctions_csv, auctions_json])
+        print(f"✓ Exported {len(new_auctions)} auctions")
+        print(f"  CSV: {auctions_csv}")
+        print(f"  JSON: {auctions_json}")
+    else:
+        print("✓ No new auctions to export")
+
+    # Export lots
+    if new_lots:
+        lots_csv = OUTPUT_DIR / f'lots_{timestamp}.csv'
+        lots_json = OUTPUT_DIR / f'lots_{timestamp}.json'
+
+        with open(lots_csv, 'w', newline='', encoding='utf-8') as f:
+            writer = csv.DictWriter(f, fieldnames=new_lots[0].keys())
+            writer.writeheader()
+            writer.writerows(new_lots)
+
+        with open(lots_json, 'w', encoding='utf-8') as f:
+            json.dump(new_lots, f, indent=2, ensure_ascii=False)
+
+        files_created.extend([lots_csv, lots_json])
+        print(f"✓ Exported {len(new_lots)} lots")
+        print(f"  CSV: {lots_csv}")
+        print(f"  JSON: {lots_json}")
+    else:
+        print("✓ No new lots to export")
+
+    # Save sync state
+    if new_auctions or new_lots:
+        save_export_timestamp(current_time)
+        print()
+        print("="*60)
+        print("EXPORT COMPLETE")
+        print("="*60)
+        print(f"New auctions: {len(new_auctions)}")
+        print(f"New lots: {len(new_lots)}")
+        print()
+        print("Next export will only include records newer than:")
+        print(f"  {datetime.fromtimestamp(current_time).strftime('%Y-%m-%d %H:%M:%S')}")
+    else:
+        print()
+        print("="*60)
+        print("NOTHING TO EXPORT")
+        print("="*60)
+        print("All data already exported to server")
+
+    return {
+        'auctions': len(new_auctions),
+        'lots': len(new_lots),
+        'files': [str(f) for f in files_created]
+    }
+
+if __name__ == "__main__":
+    export_new_data()
diff --git a/src/scraper.py b/src/scraper.py
index 6008980..bb2e6f2 100644
--- a/src/scraper.py
+++ b/src/scraper.py
@@ -40,7 +40,7 @@ class TroostwijkScraper:
         self.download_images = DOWNLOAD_IMAGES
 
     async def _download_image(self, session: 'aiohttp.ClientSession', url: str, lot_id: str, index: int) -> Optional[str]:
-        """Download an image and save it locally (without rate limiting - concurrent within lot)"""
+        """Download an  image and save it locally (without rate limiting - concurrent within lot)"""
         if not self.download_images:
             return None