diff --git a/controllers/units_controller.php b/controllers/units_controller.php
index 1a9c96a..699d23a 100644
--- a/controllers/units_controller.php
+++ b/controllers/units_controller.php
@@ -236,6 +236,10 @@ class UnitsController extends AppController {
     $this->sidemenu_links[] =
       array('name' => 'Operations', 'header' => true);
 
+    $this->sidemenu_links[] =
+      array('name' => 'Edit', 'url' => array('action' => 'edit',
+					     $id));
+
     if (isset($unit['CurrentLease']['id']) &&
 	!isset($unit['CurrentLease']['moveout_date'])) {
       $this->sidemenu_links[] =
@@ -249,6 +253,10 @@ class UnitsController extends AppController {
 
     if (isset($unit['CurrentLease']['id']) &&
 	!isset($unit['CurrentLease']['close_date'])) {
+      $this->sidemenu_links[] =
+	array('name' => 'Charge', 'url' => array('controller' => 'leases',
+						 'action' => 'invoice',
+						 $unit['CurrentLease']['id']));
       $this->sidemenu_links[] =
 	array('name' => 'Payment', 'url' => array('controller' => 'customers',
 						  'action' => 'receipt',
@@ -261,4 +269,71 @@ class UnitsController extends AppController {
 		       'outstanding_balance',
 		       'outstanding_deposit'));
   }
+
+
+  /**************************************************************************
+   **************************************************************************
+   **************************************************************************
+   * action: edit
+   *  - Edit unit information
+   */
+
+  function edit($id = null) {
+    if (isset($this->data)) {
+      // Check to see if the operation was cancelled.
+      if (isset($this->params['form']['cancel'])) {
+	if (empty($this->data['Unit']['id']))
+	  $this->redirect(array('action'=>'index'));
+
+	$this->redirect(array('action'=>'view', $this->data['Unit']['id']));
+      }
+
+      // Make sure we have unit data
+      if (empty($this->data['Unit']))
+	$this->redirect(array('action'=>'index'));
+
+      // Make sure we have a rental rate
+      if (empty($this->data['Unit']['rent']))
+	$this->redirect(array('action'=>'view', $this->data['Unit']['id']));
+
+      // Save the unit and all associated data
+      $this->Unit->create();
+      $this->Unit->id = $this->data['Unit']['id'];
+      if (!$this->Unit->save($this->data, false)) {
+	$this->Session->setFlash("UNIT SAVE FAILED", true);
+	pr("UNIT SAVE FAILED");
+      }
+
+      $this->redirect(array('action'=>'view', $this->Unit->id));
+
+      // For debugging, only if the redirects above have been
+      // commented out, otherwise this section isn't reached.
+      $this->render('/fake');
+      return;
+    }
+
+    if ($id) {
+      $this->data = $this->Unit->findById($id);
+      $title = 'Unit ' . $this->data['Unit']['name'] . " : Edit";
+    }
+    else {
+      $title = "Enter New Unit";
+      $this->data = array();
+    }
+
+    $statusEnums = $this->Unit->allowedStatusSet($id);
+    $statusEnums = array_combine(array_keys($statusEnums),
+				 array_keys($statusEnums));
+    $this->set(compact('statusEnums'));
+
+    $unit_sizes = $this->Unit->UnitSize->find
+      ('list', array('order' => array('unit_type_id', 'width', 'depth', 'id')));
+    $this->set(compact('unit_sizes'));
+
+    // Prepare to render.
+    pr($this->data);
+    $this->set(compact('title'));
+  }
+
+
 }
diff --git a/models/unit.php b/models/unit.php
index a5abd89..9e2396b 100644
--- a/models/unit.php
+++ b/models/unit.php
@@ -27,6 +27,8 @@ class Unit extends AppModel {
 		'Lease',
 	);
 
+	//var $default_log_level = array('log' => 30, 'show' => 15);
+
   /**************************************************************************
    **************************************************************************
    **************************************************************************
@@ -50,7 +52,7 @@ class Unit extends AppModel {
   }
 
   function occupiedEnumValue() {
-    return statusValue('OCCUPIED');
+    return $this->statusValue('OCCUPIED');
   }
 
   function conditionOccupied() {
@@ -68,18 +70,71 @@ class Unit extends AppModel {
     return ('Unit.status <= ' . $this->statusValue('UNAVAILABLE'));
   }
 
+
+  /**************************************************************************
+   **************************************************************************
+   **************************************************************************
+   * function: allowedStatusSet
+   *  - Returns the status set allowed for the given unit
+   */
+  function allowedStatusSet($id) {
+    $this->prEnter(compact('id'));
+    $this->id = $id;
+    $old_status = $this->field('status');
+    $old_val = $this->statusValue($old_status);
+    $this->pr(17, compact('old_status', 'old_val'));
+
+    $enums = $this->activeStatusEnums();
+    $this->pr(21, compact('enums'));
+
+    foreach ($enums AS $enum => $val) {
+      if (($old_val < $this->occupiedEnumValue()) != 
+	  ($val     < $this->occupiedEnumValue())) {
+	unset($enums[$enum]);
+      }
+    }
+
+    return $this->prReturn($enums);
+  }
+
+
   /**************************************************************************
    **************************************************************************
    **************************************************************************
    * function: updateStatus
    *  - Update the given unit to the given status
    */
-  function updateStatus($id, $status) {
+  function updateStatus($id, $status, $check = false) {
+    $this->prEnter(compact('id', 'status', 'check'));
+
+/*     if ($check) { */
+/*       $old_status = $this->field('status'); */
+/*       $this->pr(17, compact('old_status')); */
+/*       if ($this->statusValue($old_status) < $this->occupiedEnumValue() && */
+/* 	  $this->statusValue($status)    >= $this->occupiedEnumValue()) */
+/* 	{ */
+/* 	  die("Can't transition a unit from vacant to occupied"); */
+/* 	  return $this->prReturn(false); */
+/* 	} */
+/*       if ($this->statusValue($old_status) >= $this->occupiedEnumValue() && */
+/* 	  $this->statusValue($status)      < $this->occupiedEnumValue()) */
+/* 	{ */
+/* 	  die("Can't transition a unit from occupied to vacant"); */
+/* 	  return $this->prReturn(false); */
+/* 	} */
+/*     } */
+
+    if ($check) {
+      if (!array_key_exists($status, $this->allowedStatusSet($id)))
+	return $this->prReturn(false);
+    }
+
     $this->id = $id;
-    //pr(compact('id', 'status'));
     $this->saveField('status', $status);
+    return $this->prReturn(true);
   }
 
+
   /**************************************************************************
    **************************************************************************
    **************************************************************************
diff --git a/views/units/edit.ctp b/views/units/edit.ctp
new file mode 100644
index 0000000..22e389b
--- /dev/null
+++ b/views/units/edit.ctp
@@ -0,0 +1,27 @@
+<?php /* -*- mode:PHP -*- */
+
+echo '<div class="unit edit">' . "\n";
+
+echo $form->create('Unit', array('action' => 'edit')) . "\n";
+echo $form->input('id') . "\n";
+
+echo($this->element
+     ('form_table',
+      array('class'  => 'item unit detail',
+	    'caption' => isset($this->data['Unit']) ? 'Edit Unit' : 'New Unit',
+	    'fields' => array
+	    ('name' => true,
+	     'unit_size_id' => true,
+	     'status' => array('opts' =>
+			       array('options' => $statusEnums,
+				     ),
+			       ),
+	     'deposit' => true,
+	     'rent' => true,
+	     'comment' => true,
+	     ))) . "\n");
+
+echo $form->submit('Update') . "\n";
+echo $form->submit('Cancel', array('name' => 'cancel')) . "\n";
+echo $form->end() . "\n";
+echo '</div>' . "\n";