diff --git a/public/parts/signup.php b/public/parts/signup.php
index c96926b..2774c6a 100644
--- a/public/parts/signup.php
+++ b/public/parts/signup.php
@@ -139,6 +139,8 @@ if (isset($_SESSION['familyid']) && $database->has('families', ['familyid' => $_
             </div>
             <div class="card-body">
                 <h4>Total: $<span id="total">0</span></h4>
+                <!-- Hi, don't bother tampering with this, the math is checked on the server before charging the card. -->
+                <input type="hidden" name="totalcharge" value="0" />
                 <noscript>
                     <div class="card-text text-danger mb-1">
                         <i class="fas fa-code"></i> JavaScript is required to complete your payment.
diff --git a/public/parts/template_person.php b/public/parts/template_person.php
index 24b5ea6..38fdcae 100644
--- a/public/parts/template_person.php
+++ b/public/parts/template_person.php
@@ -175,8 +175,46 @@ if (isset($personid) && $database->has('people', ['personid' => $personid])) {
             ]);
         }
         if ($type == "adult" || $type == "youth") {
-            // TODO: camp days selection
-            // TODO: help area selection
+            if ($type == "adult") {
+                $positions = [
+                    "None" => "No Preference",
+                    "Den Walker" => "Den Walker",
+                    "Station Leader" => "Station Leader",
+                    "Tot Lot" => "Tot Lot",
+                    "First Aid" => "First Aid",
+                    "Floater" => "Floater"
+                ];
+            } else {
+                $positions = [
+                    "None" => "No Preference",
+                    "Den Chief" => "Den Chief",
+                    "Station" => "Station",
+                    "Tot Lot" => "Tot Lot",
+                    "Floater" => "Floater"
+                ];
+            }
+            $textboxes = array_merge($textboxes, [
+                [
+                    "label" => "Available Days",
+                    "name" => "days",
+                    "type" => "checkboxes",
+                    "options" => [
+                        "Tu" => "Tuesday",
+                        "We" => "Wednesday",
+                        "Th" => "Thursday",
+                        "Fr" => "Friday",
+                    ],
+                    "error" => "Choose at least one day."
+                ],
+                [
+                    "label" => "Preferred Position",
+                    "name" => "position",
+                    "type" => "select",
+                    "width" => 5,
+                    "options" => $positions,
+                    "error" => "Choose a position."
+                ]
+            ]);
         }
         $textboxes = array_merge($textboxes, [
             [
@@ -206,7 +244,7 @@ if (isset($personid) && $database->has('people', ['personid' => $personid])) {
                 <div class="form-group mb-3">
                     <label class="mb-0"><?php echo $item['label']; ?>:</label>
                     <div class="input-group">
-                        <?php if (empty($item['type']) || $item['type'] != "select") { ?>
+                        <?php if (empty($item['type']) || ($item['type'] != "select" && $item['type'] != "checkboxes")) { ?>
                             <input type="<?php echo (empty($item['type']) ? "text" : $item['type']); ?>"
                                    name="<?php echo $item['name']; ?>"
                                    class="form-control"
@@ -250,9 +288,26 @@ if (isset($personid) && $database->has('people', ['personid' => $personid])) {
                                         ?>
                             </select>
                             <?php
+                        } else if ($item['type'] == "checkboxes") {
+                            ?>
+                            <div class="d-flex justify-content-left flex-wrap">
+                                <?php
+                                foreach ($item['options'] as $value => $label) {
+                                    ?>
+                                    <div class="form-check m-1">
+                                        <input class="form-check-input" type="checkbox" name="<?php echo $item['name']; ?>" value="<?php echo $value; ?>">
+                                        <label class="form-check-label">
+                                            <?php echo $label; ?>
+                                        </label>
+                                    </div>
+                                    <?php
+                                }
+                                ?>
+                            </div>
+                            <?php
                         }
                         ?>
-                        <div class="invalid-tooltip">
+                        <div class="invalid-feedback">
                             <?php echo $item['error']; ?>
                         </div>
                     </div>
@@ -262,6 +317,5 @@ if (isset($personid) && $database->has('people', ['personid' => $personid])) {
             <?php
         }
         ?>
-
     </div>
 </div>
\ No newline at end of file
diff --git a/public/static/signup.js b/public/static/signup.js
index 937bb6f..a8be2a8 100644
--- a/public/static/signup.js
+++ b/public/static/signup.js
@@ -58,12 +58,25 @@ $("#camper_list").on("change", "input[name=firstname]", function () {
     updateTotal();
 });
 
+$("#adult_list").on("change", "input[name=days]", function () {
+    updateTotal();
+});
+
 function updateTotal() {
     totalcharge = $(".person-list-item[data-persontype=camper] input[name=firstname]").filter(function () {
         return $(this).val() != '';
     }).length * 50.0;
 
+    totalcharge = totalcharge - $(".person-list-item[data-persontype=adult] input[name=days]:checked").filter(function () {
+        return $(this).val() != '';
+    }).length * 10.0;
+
+    totalcharge = Math.max(totalcharge, 0);
+
+    // The server will refuse to finish the registration if this doesn't match
+    // the backend-calculated amount, don't bother being a haxxor
     $("#total").text(totalcharge);
+    $("input[name=totalcharge]").val(totalcharge);
 }
 
 // Create a Stripe client.