diff --git a/gymboard-app/quasar.config.js b/gymboard-app/quasar.config.js
index a4d2740..f18590d 100644
--- a/gymboard-app/quasar.config.js
+++ b/gymboard-app/quasar.config.js
@@ -10,8 +10,6 @@
 
 const { configure } = require('quasar/wrappers');
 const path = require('path');
-const { withCtx } = require('vue');
-
 // Load environment variables from different files depending on if we're in development.
 let envPath = '.env.production';
 if (process.env.NODE_ENV === 'development') {
@@ -22,7 +20,7 @@ if (result.error) {
   throw result.error;
 }
 
-module.exports = configure(function (ctx) {
+module.exports = configure(function () {
   return {
     eslint: {
       // fix: true,
@@ -123,7 +121,7 @@ module.exports = configure(function (ctx) {
       // directives: [],
 
       // Quasar plugins
-      plugins: ['Notify'],
+      plugins: ['Notify', 'Dialog'],
     },
 
     // animations: 'all', // --- includes all animations
diff --git a/gymboard-app/src/components/AccountMenuItem.vue b/gymboard-app/src/components/AccountMenuItem.vue
index a55f932..a3e551b 100644
--- a/gymboard-app/src/components/AccountMenuItem.vue
+++ b/gymboard-app/src/components/AccountMenuItem.vue
@@ -1,3 +1,7 @@
+<!--
+An item that's meant for the main UI menu, and features a dropdown with some
+account-related actions.
+-->
 <template>
   <div class="q-mx-sm">
     <q-btn-dropdown
diff --git a/gymboard-app/src/i18n/en-US/index.ts b/gymboard-app/src/i18n/en-US/index.ts
index 3070ce2..0638912 100644
--- a/gymboard-app/src/i18n/en-US/index.ts
+++ b/gymboard-app/src/i18n/en-US/index.ts
@@ -52,6 +52,7 @@ export default {
     },
     accountPrivate: 'This account is private.',
     recentLifts: 'Recent Lifts',
+    requestedToFollow: 'Requested to follow this user.',
   },
   userSearchPage: {
     searchHint: 'Search for a user'
@@ -83,6 +84,11 @@ export default {
     save: 'Save',
     undo: 'Undo'
   },
+  submissionPage: {
+    confirmDeletion: 'Confirm Deletion',
+    confirmDeletionMsg: 'Are you sure you want to delete this submission? It will be removed permanently.',
+    deletionSuccessful: 'Submission deleted successfully.'
+  },
   accountMenuItem: {
     logIn: 'Login',
     profile: 'Profile',
diff --git a/gymboard-app/src/i18n/nl-NL/index.ts b/gymboard-app/src/i18n/nl-NL/index.ts
index 9bf3828..2857dbe 100644
--- a/gymboard-app/src/i18n/nl-NL/index.ts
+++ b/gymboard-app/src/i18n/nl-NL/index.ts
@@ -47,6 +47,7 @@ export default {
     },
     accountPrivate: 'Dit account is privaat.',
     recentLifts: 'Recente liften',
+    requestedToFollow: 'Gevraagd om deze gebruiker te volgen.',
   },
   userSearchPage: {
     searchHint: 'Zoek een gebruiker'
@@ -78,6 +79,11 @@ export default {
     save: 'Opslaan',
     undo: 'Terugzetten'
   },
+  submissionPage: {
+    confirmDeletion: 'Bevestig verwijderen',
+    confirmDeletionMsg: 'Ben je zeker dat je dit submissie willen verwijderen? Het zal permanent verwijderd worden.',
+    deletionSuccessful: 'Submissie succesvol verwijderd.'
+  },
   accountMenuItem: {
     logIn: 'Inloggen',
     profile: 'Profile',
diff --git a/gymboard-app/src/pages/SubmissionPage.vue b/gymboard-app/src/pages/SubmissionPage.vue
index c28a7e6..0d963e3 100644
--- a/gymboard-app/src/pages/SubmissionPage.vue
+++ b/gymboard-app/src/pages/SubmissionPage.vue
@@ -63,16 +63,30 @@ onMounted(async () => {
     }
 });
 
+/**
+ * Shows a confirmation dialog asking the user if they really want to delete
+ * their submission, and if they say okay, go ahead and delete it, and bring
+ * the user back to their home page that shows all their lifts.
+ */
 async function deleteSubmission() {
-  // TODO: Confirm via a dialog or something before deleting.
-  if (!submission.value) return;
-  try {
-    await api.gyms.submissions.deleteSubmission(submission.value.id, authStore);
-    await router.push('/');
-  } catch (error) {
-    console.error(error);
-    showApiErrorToast(i18n, quasar);
-  }
+  quasar.dialog({
+    title: i18n.t('submissionPage.confirmDeletion'),
+    message: i18n.t('submissionPage.confirmDeletionMsg'),
+    cancel: true
+  }).onOk(async () => {
+    if (!submission.value) return;
+    try {
+      await api.gyms.submissions.deleteSubmission(submission.value.id, authStore);
+      await router.replace(`/users/${submission.value.user.id}`);
+      quasar.notify({
+        message: i18n.t('submissionPage.deletionSuccessful'),
+        position: 'top',
+        color: 'secondary'
+      })
+    } catch (error) {
+      showApiErrorToast(error);
+    }
+  });
 }
 </script>
 <style scoped>
diff --git a/gymboard-app/src/pages/auth/UserSettingsPage.vue b/gymboard-app/src/pages/auth/UserSettingsPage.vue
index 43e6237..3e63901 100644
--- a/gymboard-app/src/pages/auth/UserSettingsPage.vue
+++ b/gymboard-app/src/pages/auth/UserSettingsPage.vue
@@ -101,11 +101,10 @@ import EditablePropertyRow from 'components/EditablePropertyRow.vue';
 import {WeightUnit} from 'src/api/main/submission';
 import {resolveLocale, supportedLocales} from 'src/i18n';
 import {useI18n} from 'vue-i18n';
-import {useQuasar} from 'quasar';
+import {showApiErrorToast, showSuccessToast, showWarningToast} from 'src/utils';
 
 const route = useRoute();
 const router = useRouter();
-const quasar = useQuasar();
 const authStore = useAuthStore();
 const i18n = useI18n({useScope: 'global'});
 
@@ -121,7 +120,7 @@ onMounted(async () => {
   // Redirect away from the page if the user isn't viewing their own settings.
   const userId = route.params.userId as string;
   if (!authStore.user || authStore.user.id !== userId) {
-    await router.push(`/users/${userId}`);
+    await router.replace(`/users/${userId}`);
   }
 
   personalDetails.value = await api.auth.getMyPersonalDetails(authStore);
@@ -157,7 +156,7 @@ async function savePersonalDetails() {
       if (error.response && error.response.status === 400) {
         console.warn('bad request');
       } else {
-        console.error(error);
+        showApiErrorToast(error);
       }
     }
   }
@@ -189,25 +188,13 @@ async function updatePassword() {
   try {
     await api.auth.updatePassword(newPassword.value, authStore);
     newPassword.value = '';
-    quasar.notify({
-      message: i18n.t('userSettingsPage.passwordUpdated'),
-      type: 'positive',
-      position: 'top'
-    });
+    showSuccessToast('userSettingsPage.passwordUpdated');
   } catch (error: any) {
     if (error.response && error.response.status === 400) {
       newPassword.value = '';
-      quasar.notify({
-        message: i18n.t('userSettingsPage.passwordInvalid'),
-        type: 'warning',
-        position: 'top'
-      });
+      showWarningToast('userSettingsPage.passwordInvalid');
     } else {
-      quasar.notify({
-        message: i18n.t('generalErrors.apiError'),
-        type: 'danger',
-        position: 'top'
-      });
+      showApiErrorToast(error);
     }
   }
 }
diff --git a/gymboard-app/src/pages/gym/GymSubmissionPage.vue b/gymboard-app/src/pages/gym/GymSubmissionPage.vue
index 9f2dc42..0c82025 100644
--- a/gymboard-app/src/pages/gym/GymSubmissionPage.vue
+++ b/gymboard-app/src/pages/gym/GymSubmissionPage.vue
@@ -210,7 +210,7 @@ async function onSubmitted() {
           submitButtonLabel.value = i18n.t('gymPage.submitPage.submitFailed');
           await sleep(3000);
         } else {
-          showApiErrorToast(i18n, quasar);
+          showApiErrorToast(error);
         }
       }
       // Otherwise, report the failed submission and give up.
@@ -219,7 +219,7 @@ async function onSubmitted() {
       await sleep(3000);
     }
   } catch (error: any) {
-    showApiErrorToast(i18n, quasar);
+    showApiErrorToast(error);
   } finally {
     submitting.value = false;
     submitButtonLabel.value = i18n.t('gymPage.submitPage.submit');
diff --git a/gymboard-app/src/pages/user/UserPage.vue b/gymboard-app/src/pages/user/UserPage.vue
index 7d7db8b..fe77ede 100644
--- a/gymboard-app/src/pages/user/UserPage.vue
+++ b/gymboard-app/src/pages/user/UserPage.vue
@@ -63,8 +63,6 @@ import {UserFollowResponse, UserProfile} from 'src/api/main/auth';
 import api from 'src/api/main';
 import {useRoute} from 'vue-router';
 import {useAuthStore} from 'stores/auth-store';
-import {useI18n} from 'vue-i18n';
-import {useQuasar} from 'quasar';
 import {showApiErrorToast, showInfoToast} from 'src/utils';
 import PageMenu from 'components/PageMenu.vue';
 import UserSubmissionsPage from 'pages/user/UserSubmissionsPage.vue';
@@ -75,8 +73,6 @@ import {useDevStore} from 'stores/dev-store';
 const route = useRoute();
 const authStore = useAuthStore();
 const devStore = useDevStore();
-const i18n = useI18n();
-const quasar = useQuasar();
 
 const profile: Ref<UserProfile | undefined> = ref();
 const isOwnUser = ref(false);
@@ -102,7 +98,7 @@ async function loadUser(id: string) {
     isOwnUser.value = authStore.loggedIn && profile.value.id === authStore.user?.id;
   } catch (error: any) {
     if (!(error.response && error.response.status === 404)) {
-      showApiErrorToast(i18n, quasar);
+      showApiErrorToast(error);
     }
   }
 }
@@ -114,10 +110,10 @@ async function followUser() {
       if (result === UserFollowResponse.FOLLOWED) {
         await loadUser(profile.value.id);
       } else if (result === UserFollowResponse.REQUESTED) {
-        showInfoToast(quasar, 'Requested to follow this user!');
+        showInfoToast('userPage.requestedToFollow');
       }
     } catch (error) {
-      showApiErrorToast(i18n, quasar);
+      showApiErrorToast(error);
     }
   }
 }
@@ -128,7 +124,7 @@ async function unfollowUser() {
       await api.auth.unfollowUser(profile.value.id, authStore);
       await loadUser(profile.value.id);
     } catch (error) {
-      showApiErrorToast(i18n, quasar);
+      showApiErrorToast(error);
     }
   }
 }
diff --git a/gymboard-app/src/pages/user/UserSubmissionsPage.vue b/gymboard-app/src/pages/user/UserSubmissionsPage.vue
index b890da9..dc84899 100644
--- a/gymboard-app/src/pages/user/UserSubmissionsPage.vue
+++ b/gymboard-app/src/pages/user/UserSubmissionsPage.vue
@@ -14,8 +14,6 @@
 </template>
 
 <script setup lang="ts">
-import {useI18n} from 'vue-i18n';
-import {useQuasar} from 'quasar';
 import {useAuthStore} from 'stores/auth-store';
 import {onMounted, ref, Ref} from 'vue';
 import api from 'src/api/main';
@@ -30,20 +28,14 @@ interface Props {
 }
 const props = defineProps<Props>();
 
-const i18n = useI18n();
-const quasar = useQuasar();
 const authStore = useAuthStore();
 
 const submissions: Ref<ExerciseSubmission[]> = ref([]);
 const loader = new InfinitePageLoader(submissions, async paginationOptions => {
   try {
     return await api.users.getSubmissions(props.userId, authStore, paginationOptions);
-  } catch (error: any) {
-    if (error.response) {
-      showApiErrorToast(i18n, quasar);
-    } else {
-      console.log(error);
-    }
+  } catch (error) {
+    showApiErrorToast(error);
   }
 });
 
diff --git a/gymboard-app/src/utils.ts b/gymboard-app/src/utils.ts
index 31a05d6..9c36a93 100644
--- a/gymboard-app/src/utils.ts
+++ b/gymboard-app/src/utils.ts
@@ -1,21 +1,46 @@
-import {QVueGlobals} from 'quasar';
+import {useQuasar} from 'quasar';
+import {useI18n} from 'vue-i18n';
 
+/**
+ * Sleeps for a given number of milliseconds before resolving.
+ * @param ms The milliseconds to sleep for.
+ */
 export const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms));
 
-export function showApiErrorToast(i18n: any, quasar: QVueGlobals) {
+function showToast(type: string, messageKey: string) {
+  const quasar = useQuasar();
+  const i18n = useI18n();
   quasar.notify({
-    message: i18n.t('generalErrors.apiError'),
-    type: 'danger',
+    message: i18n.t(messageKey),
+    type: type,
     position: 'top'
   });
 }
 
-export function showInfoToast(quasar: QVueGlobals, translatedMessage: string) {
-  quasar.notify({
-    message: translatedMessage,
-    type: 'info',
-    position: 'top'
-  });
+/**
+ * Shows a generic API error message toast notification, for when an API call
+ * fails to return any status. This should only be called within the context of
+ * a Vue component, as it utilizes some dependencies that are only available
+ * then.
+ * @param error The error to display.
+ */
+export function showApiErrorToast(error?: unknown) {
+  showToast('danger', 'generalErrors.apiError');
+  if (error) {
+    console.error(error);
+  }
+}
+
+export function showInfoToast(messageKey: string) {
+  showToast('info', messageKey);
+}
+
+export function showSuccessToast(messageKey: string) {
+  showToast('positive', messageKey);
+}
+
+export function showWarningToast(messageKey: string) {
+  showToast('warning', messageKey);
 }
 
 export function getDocumentHeight() {