diff --git a/src/backend/common.rs b/src/backend/common.rs
index 2d9a9c8..b52ece4 100644
--- a/src/backend/common.rs
+++ b/src/backend/common.rs
@@ -73,7 +73,7 @@ where
         let mut show_screens = app.session.config.show_screens.clone();
         if show_screens.is_empty() {
             if let Some((_, s, _)) = data.screens.first() {
-                show_screens.arc_ins(s.name.clone());
+                show_screens.arc_set(s.name.clone());
             }
         }
 
diff --git a/src/backend/input.rs b/src/backend/input.rs
index 7005c10..9ca6a7b 100644
--- a/src/backend/input.rs
+++ b/src/backend/input.rs
@@ -6,7 +6,7 @@ use glam::{Affine3A, Vec2, Vec3, Vec3A, Vec3Swizzles};
 use smallvec::{smallvec, SmallVec};
 
 use crate::backend::common::{snap_upright, OverlaySelector};
-use crate::config::{save_state, AStrMapExt, GeneralConfig};
+use crate::config::{AStrMapExt, GeneralConfig};
 use crate::overlays::anchor::ANCHOR_NAME;
 use crate::state::AppState;
 
@@ -538,21 +538,17 @@ impl Pointer {
                 if let Some(grab_data) = self.interaction.grabbed.as_ref() {
                     if overlay.state.curvature != grab_data.old_curvature {
                         if let Some(val) = overlay.state.curvature {
-                            config.curve_values.arc_ins(overlay.state.name.clone(), val);
+                            config.curve_values.arc_set(overlay.state.name.clone(), val);
                         } else {
                             let ref_name = overlay.state.name.as_ref();
                             config.curve_values.arc_rm(ref_name);
                         }
                     }
-                    config.transform_values.arc_ins(
-                        overlay.state.name.clone(),
-                        overlay.state.saved_transform.unwrap(),
-                    );
-                    match save_state(config) {
-                        Ok(_) => log::debug!("Saved state"),
-                        Err(e) => log::error!("Failed to save state: {:?}", e),
-                    }
                 }
+                config.transform_values.arc_set(
+                    overlay.state.name.clone(),
+                    overlay.state.saved_transform.unwrap(),
+                );
             }
 
             self.interaction.grabbed = None;
diff --git a/src/config.rs b/src/config.rs
index cba7ccc..d544a6f 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -23,16 +23,15 @@ use serde::Serialize;
 pub type AStrMap<V> = Vec<(Arc<str>, V)>;
 
 pub trait AStrMapExt<V> {
-    fn arc_ins(&mut self, key: Arc<str>, value: V) -> bool;
+    fn arc_set(&mut self, key: Arc<str>, value: V) -> bool;
     fn arc_get(&self, key: &str) -> Option<&V>;
     fn arc_rm(&mut self, key: &str) -> Option<V>;
 }
 
 impl<V> AStrMapExt<V> for AStrMap<V> {
-    fn arc_ins(&mut self, key: Arc<str>, value: V) -> bool {
-        if self.iter().any(|(k, _)| k.as_ref().eq(key.as_ref())) {
-            return false;
-        }
+    fn arc_set(&mut self, key: Arc<str>, value: V) -> bool {
+        let index = self.iter().position(|(k, _)| k.as_ref().eq(key.as_ref()));
+        index.map(|i| self.remove(i).1);
         self.push((key, value));
         true
     }
@@ -51,13 +50,13 @@ impl<V> AStrMapExt<V> for AStrMap<V> {
 pub type AStrSet = Vec<Arc<str>>;
 
 pub trait AStrSetExt {
-    fn arc_ins(&mut self, value: Arc<str>) -> bool;
+    fn arc_set(&mut self, value: Arc<str>) -> bool;
     fn arc_get(&self, value: &str) -> bool;
     fn arc_rm(&mut self, value: &str) -> bool;
 }
 
 impl AStrSetExt for AStrSet {
-    fn arc_ins(&mut self, value: Arc<str>) -> bool {
+    fn arc_set(&mut self, value: Arc<str>) -> bool {
         if self.iter().any(|v| v.as_ref().eq(value.as_ref())) {
             return false;
         }
@@ -416,7 +415,7 @@ fn get_state_path() -> PathBuf {
     path
 }
 
-pub fn save_state(config: &GeneralConfig) -> anyhow::Result<()> {
+pub fn save_layout(config: &GeneralConfig) -> anyhow::Result<()> {
     let conf = AutoState {
         show_screens: config.show_screens.clone(),
         curve_values: config.curve_values.clone(),
diff --git a/src/gui/modular/button.rs b/src/gui/modular/button.rs
index d7921c1..190bb3a 100644
--- a/src/gui/modular/button.rs
+++ b/src/gui/modular/button.rs
@@ -16,7 +16,7 @@ use crate::{
         overlay::RelativeTo,
         task::{ColorChannel, SystemTask, TaskType},
     },
-    config::{save_settings, save_state, AStrSetExt},
+    config::{save_layout, save_settings, AStrSetExt},
     overlays::{
         toast::{Toast, ToastTopic},
         watch::WATCH_NAME,
@@ -59,6 +59,7 @@ pub enum SystemAction {
     PlayspaceFixFloor,
     RecalculateExtent,
     PersistConfig,
+    PersistLayout,
 }
 
 #[derive(Deserialize, Clone)]
@@ -418,6 +419,11 @@ fn run_system(action: &SystemAction, app: &mut AppState) {
                 log::error!("Failed to save config: {:?}", e);
             }
         }
+        SystemAction::PersistLayout => {
+            if let Err(e) = save_layout(&app.session.config) {
+                log::error!("Failed to save layout: {:?}", e);
+            }
+        }
     }
 }
 
@@ -594,11 +600,11 @@ fn run_overlay(overlay: &OverlaySelector, action: &OverlayAction, app: &mut AppS
                     if !o.want_visible {
                         state_dirty |= app.session.config.show_screens.arc_rm(o.name.as_ref());
                     } else if o.want_visible {
-                        state_dirty |= app.session.config.show_screens.arc_ins(o.name.clone());
+                        state_dirty |= app.session.config.show_screens.arc_set(o.name.clone());
                     }
 
                     if state_dirty {
-                        match save_state(&app.session.config) {
+                        match save_layout(&app.session.config) {
                             Ok(_) => log::debug!("Saved state"),
                             Err(e) => log::error!("Failed to save state: {:?}", e),
                         }
diff --git a/src/res/settings.yaml b/src/res/settings.yaml
index 39f1839..cdb7ca0 100644
--- a/src/res/settings.yaml
+++ b/src/res/settings.yaml
@@ -591,4 +591,18 @@ elements:
     click_down:
       - type: System
         action: PersistConfig
+      - type: Toast
+        message: Settings saved successfully.
+
+  - type: Button
+    rect: [30, 625, 250, 30]
+    font_size: 12
+    fg_color: "#ffffff"
+    bg_color: "#206060"
+    text: "Save Overlay Layout"
+    click_down:
+      - type: System
+        action: PersistLayout
+      - type: Toast
+        message: Saved. You will see this layout on next startup.