diff --git a/app/routers/confirm.py b/app/routers/confirm.py
index 88ee627..abd5f95 100644
--- a/app/routers/confirm.py
+++ b/app/routers/confirm.py
@@ -39,13 +39,14 @@ async def update_auto(autoid: int, request: Request):
     new_home_factor = calc_home_factor(gallons_put_in_home = gallons_put_in_home,
                                         current_house_factor=customer_home_factor)
     
+    gallons_left_buffer = get_auto_delivery.tank_size - 30
 
 
     get_auto_delivery.house_factor = new_home_factor
     get_auto_delivery.tank_height = 'Full'
     get_auto_delivery.last_fill = date.today()
-    get_auto_delivery.estimated_gallons_left = 240
-    get_auto_delivery.estimated_gallons_left_prev_day = 240
+    get_auto_delivery.estimated_gallons_left = gallons_left_buffer
+    get_auto_delivery.estimated_gallons_left_prev_day = gallons_left_buffer
     get_auto_delivery.auto_status = 1
     get_auto_delivery.days_since_last_fill = 0
 
diff --git a/app/routers/delivery.py b/app/routers/delivery.py
index 0435513..665f4db 100644
--- a/app/routers/delivery.py
+++ b/app/routers/delivery.py
@@ -22,7 +22,7 @@ def get_delivery_customers():
     automatics = (
         session.query(Auto_Delivery)
         .filter(Auto_Delivery.auto_status == 1)
-        .order_by(Auto_Delivery.estimated_gallons_left.desc())
+        .order_by(Auto_Delivery.estimated_gallons_left.asc())
         .all()
         )
 
diff --git a/app/routers/main.py b/app/routers/main.py
index 6afc541..ca79ed8 100644
--- a/app/routers/main.py
+++ b/app/routers/main.py
@@ -78,7 +78,7 @@ def update_auto_customers():
             elif 5.01 <= today_temptemp_avg <= 10:
                 use_day = 10
             elif 0.01 <= today_temptemp_avg <= 5:
-                use_day =12
+                use_day = 12
             elif -20 <= today_temptemp_avg <= -1:
                 use_day = 15
             else:
@@ -98,7 +98,7 @@ def update_auto_customers():
  
          
             f.estimated_gallons_left = get_gallons_left
-
+            f.last_updated = date.today()
             session.add(create_new_update)
             session.add(f)
         session.commit()
diff --git a/app/script/update_auto.py b/app/script/update_auto.py
index d297391..e88678e 100644
--- a/app/script/update_auto.py
+++ b/app/script/update_auto.py
@@ -21,5 +21,6 @@ def calc_home_factor(gallons_put_in_home, current_house_factor):
             customer_home_factor = Decimal(current_house_factor) - Decimal(.75)
         else:
             customer_home_factor = Decimal(current_house_factor)
-
+        if customer_home_factor <= 0:
+             customer_home_factor = Decimal(.25)
         return customer_home_factor
\ No newline at end of file