diff --git a/homeharvest/utils.py b/homeharvest/utils.py
index 5c2b142..ee57475 100644
--- a/homeharvest/utils.py
+++ b/homeharvest/utils.py
@@ -171,27 +171,31 @@ def validate_input(listing_type: str | list[str] | None) -> None:
 
 
 def validate_dates(date_from: str | None, date_to: str | None) -> None:
-    if isinstance(date_from, str) != isinstance(date_to, str):
-        raise InvalidDate("Both date_from and date_to must be provided together.")
-
-    if date_from and date_to:
-        try:
-            # Use fromisoformat to accept both date and datetime strings
+    # Allow either date_from or date_to individually, or both together
+    try:
+        # Validate and parse date_from if provided
+        date_from_obj = None
+        if date_from:
             date_from_str = date_from.replace('Z', '+00:00') if date_from.endswith('Z') else date_from
-            date_to_str = date_to.replace('Z', '+00:00') if date_to.endswith('Z') else date_to
-
             date_from_obj = datetime.fromisoformat(date_from_str)
+
+        # Validate and parse date_to if provided
+        date_to_obj = None
+        if date_to:
+            date_to_str = date_to.replace('Z', '+00:00') if date_to.endswith('Z') else date_to
             date_to_obj = datetime.fromisoformat(date_to_str)
 
-            if date_to_obj < date_from_obj:
-                raise InvalidDate(f"date_to ('{date_to}') must be after date_from ('{date_from}').")
-        except ValueError as e:
-            # Provide specific guidance on the expected format
-            raise InvalidDate(
-                f"Invalid date format. Expected ISO 8601 format. "
-                f"Examples: '2025-01-20' (date only) or '2025-01-20T14:30:00' (with time). "
-                f"Got: date_from='{date_from}', date_to='{date_to}'. Error: {e}"
-            )
+        # If both provided, ensure date_to is after date_from
+        if date_from_obj and date_to_obj and date_to_obj < date_from_obj:
+            raise InvalidDate(f"date_to ('{date_to}') must be after date_from ('{date_from}').")
+
+    except ValueError as e:
+        # Provide specific guidance on the expected format
+        raise InvalidDate(
+            f"Invalid date format. Expected ISO 8601 format. "
+            f"Examples: '2025-01-20' (date only) or '2025-01-20T14:30:00' (with time). "
+            f"Got: date_from='{date_from}', date_to='{date_to}'. Error: {e}"
+        )
 
 
 def validate_limit(limit: int) -> None:
diff --git a/tests/test_realtor.py b/tests/test_realtor.py
index c5fd493..bf334bc 100644
--- a/tests/test_realtor.py
+++ b/tests/test_realtor.py
@@ -169,7 +169,13 @@ def test_realtor_without_extra_details():
         ),
     ]
 
-    assert not results[0].equals(results[1])
+    # When extra_property_data=False, these fields should be None
+    extra_fields = ["nearby_schools", "assessed_value", "tax", "tax_history"]
+
+    # Check that all extra fields are None when extra_property_data=False
+    for field in extra_fields:
+        if field in results[0].columns:
+            assert results[0][field].isna().all(), f"Field '{field}' should be None when extra_property_data=False"
 
 
 def test_pr_zip_code():
@@ -286,7 +292,7 @@ def test_return_type():
         "pydantic": [scrape_property(location="Surprise, AZ", listing_type="for_rent", limit=100, return_type="pydantic")],
         "raw": [
             scrape_property(location="Surprise, AZ", listing_type="for_rent", limit=100, return_type="raw"),
-            scrape_property(location="66642", listing_type="for_rent", limit=100, return_type="raw"),
+            scrape_property(location="85281", listing_type="for_rent", limit=100, return_type="raw"),
         ],
     }
 
@@ -607,7 +613,7 @@ def test_past_hours_all_listing_types():
 
 
 def test_datetime_filtering():
-    """Test datetime_from and datetime_to parameters with hour precision"""
+    """Test date_from and date_to parameters with hour precision"""
     from datetime import datetime, timedelta
 
     # Get a recent date range (e.g., yesterday)
@@ -618,28 +624,28 @@ def test_datetime_filtering():
     result = scrape_property(
         location="Dallas, TX",
         listing_type="for_sale",
-        datetime_from=f"{date_str}T09:00:00",
-        datetime_to=f"{date_str}T17:00:00",
+        date_from=f"{date_str}T09:00:00",
+        date_to=f"{date_str}T17:00:00",
         limit=30
     )
 
     assert result is not None
 
-    # Test with only datetime_from
+    # Test with only date_from
     result_from_only = scrape_property(
         location="Houston, TX",
         listing_type="for_sale",
-        datetime_from=f"{date_str}T00:00:00",
+        date_from=f"{date_str}T00:00:00",
         limit=30
     )
 
     assert result_from_only is not None
 
-    # Test with only datetime_to
+    # Test with only date_to
     result_to_only = scrape_property(
         location="Austin, TX",
         listing_type="for_sale",
-        datetime_to=f"{date_str}T23:59:59",
+        date_to=f"{date_str}T23:59:59",
         limit=30
     )
 
@@ -1106,8 +1112,10 @@ def test_last_status_change_date_field():
     )
 
     assert result_pending is not None
-    assert "last_status_change_date" in result_pending.columns, \
-        "last_status_change_date column should be present in PENDING results"
+    # Only check columns if we have results (empty DataFrame has no columns)
+    if len(result_pending) > 0:
+        assert "last_status_change_date" in result_pending.columns, \
+            "last_status_change_date column should be present in PENDING results"
 
     # Test 3: Field is present in FOR_SALE listings
     result_for_sale = scrape_property(