diff --git a/src/App.jsx b/src/App.jsx
index 3b74666..d918bad 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -74,6 +74,12 @@ function App() {
     setQuoteItems(newItems);
   };
 
+  const handleEditItem = (index, field, value) => {
+    const newItems = [...quoteItems];
+    newItems[index] = { ...newItems[index], [field]: value };
+    setQuoteItems(newItems);
+  };
+
   const handlePrintQuote = () => {
     setIsWorkOrderMode(false);
     setTimeout(() => {
@@ -222,6 +228,7 @@ function App() {
         shippingCost={shippingCost}
         onShippingChange={setShippingCost}
         onRemoveItem={handleRemoveItem}
+        onEditItem={handleEditItem}
         isWorkOrderMode={isWorkOrderMode}
       />
 
diff --git a/src/components/QuoteSummary.jsx b/src/components/QuoteSummary.jsx
index 346bbfa..ebd25c1 100644
--- a/src/components/QuoteSummary.jsx
+++ b/src/components/QuoteSummary.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { Trash2 } from 'lucide-react';
 
-export default function QuoteSummary({ items, customer, shippingCost, onShippingChange, onRemoveItem, isWorkOrderMode }) {
+export default function QuoteSummary({ items, customer, shippingCost, onShippingChange, onRemoveItem, onEditItem, isWorkOrderMode }) {
     const provinceTaxRates = {
         'ON': 0.13,  // Ontario (HST)
         'QC': 0.05, // Quebec (GST)
@@ -25,7 +25,9 @@ export default function QuoteSummary({ items, customer, shippingCost, onShipping
 
     const calculateSubtotal = () => {
         return items.reduce((total, item) => {
-            const itemTotal = item.Price * item.quantity;
+            const qty = parseInt(item.quantity, 10) || 0;
+            const price = parseFloat(item.Price) || 0;
+            const itemTotal = price * qty;
             const discountAmount = itemTotal * ((item.discount || 0) / 100);
             return total + (itemTotal - discountAmount);
         }, 0);
@@ -68,16 +70,53 @@ export default function QuoteSummary({ items, customer, shippingCost, onShipping
                     </thead>
                     <tbody>
                         {items.map((item, index) => {
-                            const itemTotal = item.Price * item.quantity;
+                            const qty = parseInt(item.quantity, 10) || 0;
+                            const price = parseFloat(item.Price) || 0;
+                            const itemTotal = price * qty;
                             const discountAmount = itemTotal * ((item.discount || 0) / 100);
                             const finalPrice = itemTotal - discountAmount;
                             return (
                                 <tr key={index}>
                                     <td>{item['Item ID']}</td>
                                     <td>{item.Description}</td>
-                                    {!isWorkOrderMode && <td>{formatCurrency(item.Price)}</td>}
-                                    {!isWorkOrderMode && <td>{item.discount ? `${item.discount}%` : '-'}</td>}
-                                    <td>{item.quantity}</td>
+                                    {!isWorkOrderMode && <td>
+                                        <span className="print-only-block" style={{ display: 'none' }}>{formatCurrency(price)}</span>
+                                        <div className="no-print" style={{ display: 'flex', alignItems: 'center' }}>
+                                            <span style={{ marginRight: '0.25rem' }}>$</span>
+                                            <input 
+                                                type="number" 
+                                                value={item.Price === '' ? '' : price} 
+                                                onChange={(e) => onEditItem(index, 'Price', e.target.value === '' ? '' : parseFloat(e.target.value))}
+                                                style={{ width: '80px', padding: '0.25rem' }}
+                                                step="0.01"
+                                            />
+                                        </div>
+                                    </td>}
+                                    {!isWorkOrderMode && <td>
+                                        <span className="print-only-block" style={{ display: 'none' }}>{item.discount ? `${item.discount}%` : '-'}</span>
+                                        <div className="no-print" style={{ display: 'flex', alignItems: 'center' }}>
+                                            <input 
+                                                type="number" 
+                                                value={item.discount === '' ? '' : (item.discount || '')} 
+                                                onChange={(e) => onEditItem(index, 'discount', e.target.value === '' ? '' : parseFloat(e.target.value))}
+                                                style={{ width: '60px', padding: '0.25rem' }}
+                                                placeholder="0"
+                                            />
+                                            <span style={{ marginLeft: '0.25rem' }}>%</span>
+                                        </div>
+                                    </td>}
+                                    <td>
+                                        <span className="print-only-block" style={{ display: 'none' }}>{qty}</span>
+                                        <div className="no-print">
+                                            <input 
+                                                type="number" 
+                                                value={item.quantity === '' ? '' : qty} 
+                                                onChange={(e) => onEditItem(index, 'quantity', e.target.value === '' ? '' : parseInt(e.target.value, 10))}
+                                                style={{ width: '60px', padding: '0.25rem' }}
+                                                min="1"
+                                            />
+                                        </div>
+                                    </td>
                                     {!isWorkOrderMode && <td>{formatCurrency(finalPrice)}</td>}
                                     {isWorkOrderMode && (
                                         <td style={{ textAlign: 'center' }}>