diff --git a/chapters.php b/chapters.php
index be9103de..66c0f585 100644
--- a/chapters.php
+++ b/chapters.php
@@ -15,6 +15,7 @@
 <?php
 
 // Setup
+$post_id = get_the_ID();
 $page = get_query_var( 'paged', 1 ) ?: 1; // Main query
 $order = array_intersect( [sanitize_key( $_GET['order'] ?? 0 )], ['desc', 'asc'] );
 $order = reset( $order ) ?: 'desc';
@@ -50,7 +51,7 @@ $query_args = array(
 $query_args = fictioneer_append_date_query( $query_args, $ago, $orderby );
 
 // Filter query arguments
-$query_args = apply_filters( 'fictioneer_filter_chapters_query_args', $query_args, get_the_ID() );
+$query_args = apply_filters( 'fictioneer_filter_chapters_query_args', $query_args, $post_id );
 
 // Query chapters
 $list_of_chapters = new WP_Query( $query_args );
@@ -77,12 +78,12 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         // Setup
         $title = trim( get_the_title() );
         $breadcrumb_name = empty( $title ) ? __( 'Chapters', 'fictioneer' ) : $title;
-        $this_breadcrumb = [$breadcrumb_name, get_the_permalink()];
+        $this_breadcrumb = [ $breadcrumb_name, get_the_permalink() ];
 
         // Arguments for hooks and templates/etc.
         $hook_args = array(
           'current_page' => $page,
-          'post_id' => get_the_ID(),
+          'post_id' => $post_id,
           'chapters' => $list_of_chapters,
           'queried_type' => 'fcn_chapter',
           'query_args' => $query_args,
@@ -92,7 +93,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         );
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article chapters__article padding-top padding-left padding-right padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article chapters__article padding-top padding-left padding-right padding-bottom">
 
         <?php if ( ! empty( $title ) ) : ?>
           <header class="singular__header stories__header">
@@ -118,7 +119,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
   // Footer arguments
   $footer_args = array(
     'post_type' => 'page',
-    'post_id' => get_the_ID(),
+    'post_id' => $post_id,
     'current_page' => $page,
     'chapters' => $list_of_chapters,
     'breadcrumbs' => array(
diff --git a/collections.php b/collections.php
index d92eabc5..98577987 100644
--- a/collections.php
+++ b/collections.php
@@ -15,6 +15,7 @@
 <?php
 
 // Setup
+$post_id = get_the_ID();
 $page = get_query_var( 'paged', 1 ) ?: 1; // Main query
 $order = array_intersect( [sanitize_key( $_GET['order'] ?? 0 )], ['desc', 'asc'] );
 $order = reset( $order ) ?: 'desc';
@@ -39,7 +40,7 @@ $query_args = array (
 $query_args = fictioneer_append_date_query( $query_args, $ago, $orderby );
 
 // Filter query arguments
-$query_args = apply_filters( 'fictioneer_filter_collections_query_args', $query_args, get_the_ID() );
+$query_args = apply_filters( 'fictioneer_filter_collections_query_args', $query_args, $post_id );
 
 // Query collections
 $list_of_collections = new WP_Query( $query_args );
@@ -66,12 +67,12 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         // Setup
         $title = trim( get_the_title() );
         $breadcrumb_name = empty( $title ) ? __( 'Collections', 'fictioneer' ) : $title;
-        $this_breadcrumb = [$breadcrumb_name, get_the_permalink()];
+        $this_breadcrumb = [ $breadcrumb_name, get_the_permalink() ];
 
         // Arguments for hooks and templates/etc.
         $hook_args = array(
           'current_page' => $page,
-          'post_id' => get_the_ID(),
+          'post_id' => $post_id,
           'collections' => $list_of_collections,
           'queried_type' => 'fcn_collection',
           'query_args' => $query_args,
@@ -81,7 +82,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         );
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article collections__article padding-top padding-left padding-right padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article collections__article padding-top padding-left padding-right padding-bottom">
 
         <?php if ( ! empty( $title ) ) : ?>
           <header class="singular__header stories__header">
@@ -107,7 +108,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
   // Footer arguments
   $footer_args = array(
     'post_type' => 'page',
-    'post_id' => get_the_ID(),
+    'post_id' => $post_id,
     'current_page' => $page,
     'collections' => $list_of_collections,
     'breadcrumbs' => array(
diff --git a/includes/functions/_query_helpers.php b/includes/functions/_query_helpers.php
index 5ee7befa..07da6411 100644
--- a/includes/functions/_query_helpers.php
+++ b/includes/functions/_query_helpers.php
@@ -24,7 +24,7 @@ function fictioneer_allowed_orderby() {
 
 if ( ! function_exists( 'fictioneer_get_card_list' ) ) {
   /**
-   * Returns the query and HTML list items for a post type.
+   * Returns the query and HTML list items for a post type
    *
    * @since Fictioneer 5.0
    *
@@ -131,10 +131,11 @@ if ( ! function_exists( 'fictioneer_get_card_list' ) ) {
 
       while ( $query->have_posts() ) {
         $query->the_post();
+        $card_post_id = get_the_ID();
 
         switch ( $post_type ) {
           case 'fcn_story':
-            if ( get_post_meta( get_the_ID(), 'fictioneer_story_hidden', true ) ) {
+            if ( get_post_meta( $card_post_id, 'fictioneer_story_hidden', true ) ) {
               get_template_part( 'partials/_card-hidden', null, $the_card_args );
             } else {
               get_template_part( $card_partial, null, $the_card_args );
@@ -142,8 +143,8 @@ if ( ! function_exists( 'fictioneer_get_card_list' ) ) {
             break;
           case 'fcn_chapter':
             if (
-              get_post_meta( get_the_ID(), 'fictioneer_chapter_hidden', true ) ||
-              get_post_meta( get_the_ID(), 'fictioneer_chapter_no_chapter', true )
+              get_post_meta( $card_post_id, 'fictioneer_chapter_hidden', true ) ||
+              get_post_meta( $card_post_id, 'fictioneer_chapter_no_chapter', true )
             ) {
               get_template_part( 'partials/_card-hidden', null, $the_card_args );
             } else {
diff --git a/includes/functions/_wordpress_mods.php b/includes/functions/_wordpress_mods.php
index d820ebb2..841971ce 100644
--- a/includes/functions/_wordpress_mods.php
+++ b/includes/functions/_wordpress_mods.php
@@ -361,10 +361,10 @@ function fictioneer_output_rss( $post_id = null ) {
     $title = sprintf(
       _x( '%1$s - %2$s Chapters', 'Story Feed: [Site] - [Story] Chapters.', 'fictioneer' ),
       get_bloginfo( 'name' ),
-      get_the_title( get_the_ID() )
+      get_the_title( $post_id )
     );
 
-    $url = esc_url( add_query_arg( 'story_id', get_the_ID(), home_url( 'feed/rss-chapters' ) ) );
+    $url = esc_url( add_query_arg( 'story_id', $post_id, home_url( 'feed/rss-chapters' ) ) );
     $rss_link = '<link rel="alternate" type="application/rss+xml" title="' . $title . '" href="' . $url . '" />';
   }
 
diff --git a/includes/functions/comments/_comments_form.php b/includes/functions/comments/_comments_form.php
index 46a744cd..63429ba9 100644
--- a/includes/functions/comments/_comments_form.php
+++ b/includes/functions/comments/_comments_form.php
@@ -132,6 +132,7 @@ function fictioneer_change_submit_field( $submit_field, $args ) {
   remove_filter( 'cancel_comment_reply_link', '__return_empty_string' );
 
   // Setup
+  $post_id = get_the_ID();
   $close_bottom_container = is_user_logged_in() ? '' : '</div>';
   $is_ajax = get_option( 'fictioneer_enable_ajax_comment_form' ) || get_option( 'fictioneer_enable_ajax_comments' );
   $hidden = FICTIONEER_COLLAPSE_COMMENT_FORM ? 'hidden' : '';
@@ -196,7 +197,7 @@ function fictioneer_change_submit_field( $submit_field, $args ) {
   return sprintf(
     $close_bottom_container . '<div class="form-submit fictioneer-respond__form-actions ' . $hidden . '"><div class="fictioneer-respond__form-actions-wrapper">' . $private_toggle . $notification_toggle . '%1$s %2$s</div>%3$s</div><div class="fictioneer-respond__notices">' . $private_notice . '</div>',
     $submit_button,
-    get_the_ID() ? get_comment_id_fields( get_the_ID() ) : ( $parent_field . $comment_post_id ),
+    $post_id ? get_comment_id_fields( $post_id ) : ( $parent_field . $comment_post_id ),
     preg_replace( '/<a/', '<a class="button _secondary"', get_cancel_comment_reply_link( 'Cancel' ) )
   );
 }
diff --git a/includes/functions/hooks/_general_hooks.php b/includes/functions/hooks/_general_hooks.php
index 6501127c..79487da4 100644
--- a/includes/functions/hooks/_general_hooks.php
+++ b/includes/functions/hooks/_general_hooks.php
@@ -19,16 +19,20 @@ function fictioneer_add_fiction_css() {
    * removes any "<" for good measure since CSS does not use it.
    */
 
+  $post_id = get_the_ID();
   $custom_css = '';
-  $custom_css .= get_post_meta( get_the_ID(), 'fictioneer_custom_css', true );
+  $custom_css .= get_post_meta( $post_id, 'fictioneer_custom_css', true );
 
-  if ( get_post_type( get_the_ID() ) == 'fcn_story' ) {
-    $custom_css .= get_post_meta( get_the_ID(), 'fictioneer_story_css', true );
+  if ( get_post_type( $post_id ) == 'fcn_story' ) {
+    $custom_css .= get_post_meta( $post_id, 'fictioneer_story_css', true );
   }
 
-  if ( get_post_type( get_the_ID() ) == 'fcn_chapter' ) {
-    $story_id = get_post_meta( get_the_ID(), 'fictioneer_chapter_story', true );
-    $custom_css .= get_post_meta( $story_id, 'fictioneer_story_css', true );
+  if ( get_post_type( $post_id ) == 'fcn_chapter' ) {
+    $story_id = get_post_meta( $post_id, 'fictioneer_chapter_story', true );
+
+    if ( ! empty( $story_id ) ) {
+      $custom_css .= get_post_meta( $story_id, 'fictioneer_story_css', true );
+    }
   }
 
   if ( ! empty( $custom_css ) && ! preg_match( '#</?\w+#', $custom_css ) ) {
diff --git a/partials/_post.php b/partials/_post.php
index 43328bd4..fd3ec2d3 100644
--- a/partials/_post.php
+++ b/partials/_post.php
@@ -20,7 +20,8 @@
 defined( 'ABSPATH' ) OR exit;
 
 // Setup
-$title = fictioneer_get_safe_title( get_the_ID() );
+$post_id = get_the_ID();
+$title = fictioneer_get_safe_title( $post_id );
 $label = esc_attr( sprintf( _x( 'Continue reading %s', 'Read more link aria label', 'fictioneer' ), $title ) );
 $nested = $args['nested'] ?? false;
 
@@ -47,10 +48,10 @@ if (
   <?php if ( has_action( 'fictioneer_blog_posts_footers_left' ) || has_action( 'fictioneer_blog_posts_footers_right' ) ) : ?>
     <footer class="post__footer">
       <div class="post__footer-box post__footer-left">
-        <?php do_action( 'fictioneer_blog_posts_footers_left', get_the_ID() ); ?>
+        <?php do_action( 'fictioneer_blog_posts_footers_left', $post_id ); ?>
       </div>
       <div class="post__footer-box post__footer-right">
-        <?php do_action( 'fictioneer_blog_posts_footers_right', get_the_ID() ); ?>
+        <?php do_action( 'fictioneer_blog_posts_footers_right', $post_id ); ?>
       </div>
     </footer>
   <?php endif; ?>
diff --git a/partials/_share-buttons.php b/partials/_share-buttons.php
index f139260f..97f4399d 100644
--- a/partials/_share-buttons.php
+++ b/partials/_share-buttons.php
@@ -18,9 +18,10 @@
 defined( 'ABSPATH' ) OR exit;
 
 // Setup
+$post_id = get_the_ID();
 $feed = fictioneer_get_rss_link();
 $show_feed = get_post_type() !== 'fcn_story' ||
-  ( get_post_type() === 'fcn_story' && get_post_meta( get_the_ID(), 'fictioneer_story_status', true ) !== 'Oneshot' )
+  ( get_post_type() === 'fcn_story' && get_post_meta( $post_id, 'fictioneer_story_status', true ) !== 'Oneshot' );
 
 ?>
 
@@ -36,7 +37,7 @@ $show_feed = get_post_type() !== 'fcn_story' ||
 
     <?php $feed_url = urlencode( $feed ); ?>
 
-    <?php if ( get_post_type() === 'fcn_story' && ! get_post_meta( get_the_ID(), 'fictioneer_story_hidden', true ) ) : ?>
+    <?php if ( get_post_type() === 'fcn_story' && ! get_post_meta( $post_id, 'fictioneer_story_hidden', true ) ) : ?>
       <a
         href="<?php echo $feed; ?>"
         class="rss-link tooltipped media-buttons__item"
diff --git a/recommendations.php b/recommendations.php
index 7f871cdc..7223a5b6 100644
--- a/recommendations.php
+++ b/recommendations.php
@@ -82,7 +82,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         );
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article recommendations__article padding-top padding-left padding-right padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article recommendations__article padding-top padding-left padding-right padding-bottom">
 
         <?php if ( ! empty( $title ) ) : ?>
           <header class="singular__header recommendations__header">
diff --git a/single-fcn_recommendation.php b/single-fcn_recommendation.php
index 99bf1136..a66ace5d 100644
--- a/single-fcn_recommendation.php
+++ b/single-fcn_recommendation.php
@@ -30,7 +30,7 @@ get_header( null, array( 'type' => 'fcn_recommendation' ) );
       <?php
         // Setup
         $title = fictioneer_get_safe_title( $post->ID );
-        $this_breadcrumb = [$title, get_the_permalink()];
+        $this_breadcrumb = [ $title, get_the_permalink() ];
 
         // Arguments for hooks and templates/etc.
         $hook_args = array(
diff --git a/single-fcn_story.php b/single-fcn_story.php
index bec32fb0..1a60d8c1 100644
--- a/single-fcn_story.php
+++ b/single-fcn_story.php
@@ -41,7 +41,7 @@ get_header( null, $header_args );
         $story_id = $post->ID;
         $story = fictioneer_get_story_data( $post->ID );
         $epub_name = sanitize_file_name( strtolower( get_the_title() ) );
-        $this_breadcrumb = [$story['title'], get_the_permalink()];
+        $this_breadcrumb = [ $story['title'], get_the_permalink() ];
         $password_note = fictioneer_get_content_field( 'fictioneer_story_password_note', $post->ID );
 
         // Flags
diff --git a/singular-titleless.php b/singular-titleless.php
index 0391c496..f622a2a5 100644
--- a/singular-titleless.php
+++ b/singular-titleless.php
@@ -11,6 +11,9 @@
 
 <?php
 
+// Setup
+$post_id = get_the_ID();
+
 // Header
 get_header();
 
@@ -27,11 +30,11 @@ get_header();
 
       <?php
         // Setup
-        $title = fictioneer_get_safe_title( get_the_ID() );
-        $this_breadcrumb = [$title, get_the_permalink()];
+        $title = fictioneer_get_safe_title( $post_id );
+        $this_breadcrumb = [ $title, get_the_permalink() ];
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article padding-left padding-right padding-top padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article padding-left padding-right padding-top padding-bottom">
 
         <section class="singular__content content-section"><?php the_content(); ?></section>
 
@@ -55,7 +58,7 @@ get_header();
   // Footer arguments
   $footer_args = array(
     'post_type' => 'page',
-    'post_id' => get_the_ID(),
+    'post_id' => $post_id,
     'breadcrumbs' => array(
       [fcntr( 'frontpage' ), get_home_url()]
     )
diff --git a/singular.php b/singular.php
index 4d19e476..ed5a691f 100644
--- a/singular.php
+++ b/singular.php
@@ -11,6 +11,9 @@
 
 <?php
 
+// Setup
+$post_id = get_the_ID();
+
 // Header
 get_header();
 
@@ -27,11 +30,11 @@ get_header();
 
       <?php
         // Setup
-        $title = fictioneer_get_safe_title( get_the_ID() );
+        $title = fictioneer_get_safe_title( $post_id );
         $this_breadcrumb = [$title, get_the_permalink()];
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article padding-left padding-right padding-top padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article padding-left padding-right padding-top padding-bottom">
 
         <header class="singular__header">
           <h1 class="singular__title"><?php echo $title; ?></h1>
@@ -59,7 +62,7 @@ get_header();
   // Footer arguments
   $footer_args = array(
     'post_type' => 'page',
-    'post_id' => get_the_ID(),
+    'post_id' => $post_id,
     'breadcrumbs' => array(
       [fcntr( 'frontpage' ), get_home_url()]
     )
diff --git a/stories.php b/stories.php
index a5c62aad..ba2be990 100644
--- a/stories.php
+++ b/stories.php
@@ -16,6 +16,7 @@
 <?php
 
 // Setup
+$post_id = get_the_ID();
 $page = get_query_var( 'paged', 1 ) ?: 1; // Main query
 $order = array_intersect( [sanitize_key( $_GET['order'] ?? 0 )], ['desc', 'asc'] );
 $order = reset( $order ) ?: 'desc';
@@ -57,7 +58,7 @@ if ( FICTIONEER_ORDER_STORIES_BY_LATEST_CHAPTER && $orderby === 'modified' ) {
 $query_args = fictioneer_append_date_query( $query_args, $ago, $orderby );
 
 // Filter query arguments
-$query_args = apply_filters( 'fictioneer_filter_stories_query_args', $query_args, get_the_ID() );
+$query_args = apply_filters( 'fictioneer_filter_stories_query_args', $query_args, $post_id );
 
 // Query stories
 $list_of_stories = new WP_Query( $query_args );
@@ -99,7 +100,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
         );
       ?>
 
-      <article id="singular-<?php the_ID(); ?>" class="singular__article stories__article padding-top padding-left padding-right padding-bottom">
+      <article id="singular-<?php echo $post_id; ?>" class="singular__article stories__article padding-top padding-left padding-right padding-bottom">
 
         <?php if ( ! empty( $title ) ) : ?>
           <header class="singular__header stories__header">
@@ -128,7 +129,7 @@ if ( function_exists( 'update_post_author_caches' ) ) {
   // Footer arguments
   $footer_args = array(
     'post_type' => 'page',
-    'post_id' => $post->ID,
+    'post_id' => $post_id,
     'current_page' => $page,
     'stories' => $list_of_stories,
     'breadcrumbs' => array(