diff --git a/plugins/woocommerce-admin/src/Notes/NoteTraits.php b/plugins/woocommerce-admin/src/Notes/NoteTraits.php
new file mode 100644
index 00000000000..4e63bfe75c6
--- /dev/null
+++ b/plugins/woocommerce-admin/src/Notes/NoteTraits.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * WC Admin Note Traits
+ *
+ * WC Admin Note Traits class that houses shared functionality across notes.
+ *
+ * @package WooCommerce Admin/Classes
+ */
+
+namespace Automattic\WooCommerce\Admin\Notes;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * NoteTraits class.
+ */
+trait NoteTraits {
+    /**
+     * Test how long WooCommerce Admin has been active.
+     *
+     * @param int $seconds Time in seconds to check.
+     * @return bool Whether or not WooCommerce admin has been active for $seconds.
+     */
+    public static function wc_admin_active_for( $seconds ) {
+        // Getting install timestamp reference class-wc-admin-install.php.
+		$wc_admin_installed = get_option( 'wc_admin_install_timestamp', false );
+
+        if ( false === $wc_admin_installed ) {
+            update_option( 'wc_admin_install_timestamp', time() );
+            
+            return false;
+		}
+
+        return ( ( time() - $wc_admin_installed ) >= $seconds );
+    }
+}
diff --git a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Facebook_Extension.php b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Facebook_Extension.php
index 839cbcc816a..8acb5a13d7b 100644
--- a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Facebook_Extension.php
+++ b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Facebook_Extension.php
@@ -15,6 +15,10 @@ defined( 'ABSPATH' ) || exit;
  * WC_Admin_Notes_Facebook_Extension
  */
 class WC_Admin_Notes_Facebook_Extension {
+	/**
+	 * Note traits.
+	 */
+	use NoteTraits;
 
 	/**
 	 * Name of the note for use in the database.
@@ -32,23 +36,15 @@ class WC_Admin_Notes_Facebook_Extension {
 	 * Possibly add Facebook extension note.
 	 */
 	public static function possibly_add_facebook_note() {
-		$wc_admin_installed = get_option( 'wc_admin_install_timestamp', false );
-		if ( false === $wc_admin_installed ) {
-			$wc_admin_installed = time();
-			update_option( 'wc_admin_install_timestamp', $wc_admin_installed );
-		}
-
 		// Only show the Facebook note to stores with products.
 		$products = wp_count_posts( 'product' );
 		if ( (int) $products->publish < 1 ) {
 			return;
 		}
 
-		$current_time          = time();
-		$three_days_in_seconds = 3 * DAY_IN_SECONDS;
-
 		// We want to show the Facebook note after day 3.
-		if ( $current_time - $wc_admin_installed < $three_days_in_seconds ) {
+		$three_days_in_seconds = 3 * DAY_IN_SECONDS;
+		if ( ! self::wc_admin_active_for( $three_days_in_seconds ) ) {
 			return;
 		}
 
diff --git a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Giving_Feedback_Notes.php b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Giving_Feedback_Notes.php
index bec83a58332..1ba1e885ba7 100644
--- a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Giving_Feedback_Notes.php
+++ b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Giving_Feedback_Notes.php
@@ -15,6 +15,11 @@ defined( 'ABSPATH' ) || exit;
  * WC_Admin_Notes_Giving_Feedback_Notes
  */
 class WC_Admin_Notes_Giving_Feedback_Notes {
+	/**
+	 * Note traits.
+	 */
+	use NoteTraits;
+
 	/**
 	 * Add notes for admin giving feedback.
 	 */
@@ -36,18 +41,9 @@ class WC_Admin_Notes_Giving_Feedback_Notes {
 			return;
 		}
 
-		// Getting install timestamp reference class-wc-admin-install.php.
-		$wc_admin_installed = get_option( 'wc_admin_install_timestamp', false );
-		if ( false === $wc_admin_installed ) {
-			$wc_admin_installed = time();
-			update_option( 'wc_admin_install_timestamp', $wc_admin_installed );
-		}
-
-		$current_time          = time();
-		$three_days_in_seconds = 259200;
-
 		// We need to show Admin Giving feeback notification after 3 days of install.
-		if ( $current_time - $wc_admin_installed < $three_days_in_seconds ) {
+		$three_days_in_seconds = 3 * DAY_IN_SECONDS;
+		if ( ! self::wc_admin_active_for( $three_days_in_seconds ) ) {
 			return;
 		}
 
diff --git a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Mobile_App.php b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Mobile_App.php
index c2e7aeab6b1..6669faa6100 100644
--- a/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Mobile_App.php
+++ b/plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Mobile_App.php
@@ -15,6 +15,10 @@ defined( 'ABSPATH' ) || exit;
  * WC_Admin_Notes_Mobile_App
  */
 class WC_Admin_Notes_Mobile_App {
+	/**
+	 * Note traits.
+	 */
+	use NoteTraits;
 
 	/**
 	 * Name of the note for use in the database.
@@ -25,18 +29,9 @@ class WC_Admin_Notes_Mobile_App {
 	 * Possibly add mobile app note.
 	 */
 	public static function possibly_add_mobile_app_note() {
-
-		$wc_admin_installed = get_option( 'wc_admin_install_timestamp', false );
-		if ( false === $wc_admin_installed ) {
-			$wc_admin_installed = time();
-			update_option( 'wc_admin_install_timestamp', $wc_admin_installed );
-		}
-
-		$current_time        = time();
-		$two_days_in_seconds = 172800;
-
 		// We want to show the mobile app note after day 2.
-		if ( $current_time - $wc_admin_installed < $two_days_in_seconds ) {
+		$two_days_in_seconds = 2 * DAY_IN_SECONDS;
+		if ( ! self::wc_admin_active_for( $two_days_in_seconds ) ) {
 			return;
 		}