diff --git a/migrations.py b/migrations.py
index 0df71bb..5c4be83 100644
--- a/migrations.py
+++ b/migrations.py
@@ -290,3 +290,12 @@ async def m022_add_onchain_settings_and_payments(db: Database):
             updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
         );
     """)
+
+
+async def m023_add_allow_price_adjustment(db: Database):
+    """
+    Add item price adjustment toggle to tpos table.
+    """
+    await db.execute("""
+        ALTER TABLE tpos.pos ADD allow_price_adjustment BOOLEAN DEFAULT true;
+    """)
diff --git a/models.py b/models.py
index 2996e4a..fdef6ab 100644
--- a/models.py
+++ b/models.py
@@ -69,6 +69,7 @@ class CreateTposData(BaseModel):
     business_address: str | None
     business_vat_id: str | None
     only_show_sats_on_bitcoin: bool = Query(True)
+    allow_price_adjustment: bool = Field(True)
     fiat_provider: str | None = Field(None)
     stripe_card_payments: bool = False
     stripe_reader_id: str | None = None
@@ -108,6 +109,7 @@ class TposClean(BaseModel):
     business_address: str | None = None
     business_vat_id: str | None = None
     only_show_sats_on_bitcoin: bool = True
+    allow_price_adjustment: bool = True
     fiat_provider: str | None = None
     stripe_card_payments: bool = False
     stripe_reader_id: str | None = None
diff --git a/static/js/index.js b/static/js/index.js
index 09f7a80..3cfb790 100644
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -46,6 +46,7 @@ const mapTpos = obj => {
     ? omitTagString.split(',').filter(Boolean)
     : []
   obj.only_show_sats_on_bitcoin = obj.only_show_sats_on_bitcoin ?? true
+  obj.allow_price_adjustment = obj.allow_price_adjustment ?? true
   obj.allow_cash_settlement = Boolean(obj.allow_cash_settlement)
   obj.onchain_enabled = Boolean(obj.onchain_enabled)
   obj.onchain_wallet_id = obj.onchain_wallet_id || null
@@ -148,6 +149,7 @@ window.app = Vue.createApp({
           enable_receipt_print: false,
           enable_remote: false,
           only_show_sats_on_bitcoin: true,
+          allow_price_adjustment: true,
           fiat: false,
           stripe_card_payments: false,
           stripe_reader_id: '',
@@ -303,6 +305,7 @@ window.app = Vue.createApp({
         enable_receipt_print: false,
         enable_remote: false,
         only_show_sats_on_bitcoin: true,
+        allow_price_adjustment: true,
         fiat: false,
         stripe_card_payments: false,
         stripe_reader_id: '',
diff --git a/static/js/tpos.js b/static/js/tpos.js
index eeb3d3c..9aca1ff 100644
--- a/static/js/tpos.js
+++ b/static/js/tpos.js
@@ -43,6 +43,7 @@ window.app = Vue.createApp({
       tposId: null,
       currency: null,
       fiatProvider: null,
+      allowPriceAdjustment: true,
       allowCashSettlement: false,
       onchainEnabled: false,
       payInFiat: false,
@@ -539,6 +540,7 @@ window.app = Vue.createApp({
       this.cartTaxTotal()
     },
     promptItemPrice(item) {
+      if (!this.allowPriceAdjustment) return
       const cartItem = this.cart.get(item.id)
       if (!cartItem) return
       this.$q
@@ -588,6 +590,7 @@ window.app = Vue.createApp({
         })
     },
     updateCartItemPrice(cartItem, newPrice) {
+      if (!this.allowPriceAdjustment) return
       const roundedPrice =
         this.currency === 'sats'
           ? Math.ceil(newPrice)
@@ -1657,6 +1660,7 @@ window.app = Vue.createApp({
     this.wrapperMode =
       new URL(window.location.href).searchParams.get('wrapper') === 'true'
     this.fiatProvider = tpos.fiat_provider
+    this.allowPriceAdjustment = tpos.allow_price_adjustment ?? true
     this.allowCashSettlement = Boolean(tpos.allow_cash_settlement)
     this.onchainEnabled = Boolean(tpos.onchain_enabled)
 
diff --git a/templates/tpos/_cart.html b/templates/tpos/_cart.html
index 0ce86b2..32ab0b7 100644
--- a/templates/tpos/_cart.html
+++ b/templates/tpos/_cart.html
@@ -76,8 +76,8 @@ <h5 v-show="!denomIsSats" class="q-mt-none q-mb-sm">
               <td>
                 <div class="text-center">
                   <span
-                    class="cursor-pointer text-secondary"
-                    @click="promptItemPrice(item)"
+                    :class="allowPriceAdjustment ? 'cursor-pointer text-secondary' : ''"
+                    @click="allowPriceAdjustment && promptItemPrice(item)"
                     v-text="item.formattedPrice"
                   ></span>
                 </div>
diff --git a/templates/tpos/index.html b/templates/tpos/index.html
index faec8c1..df3d85b 100644
--- a/templates/tpos/index.html
+++ b/templates/tpos/index.html
@@ -569,6 +569,14 @@ <h6 class="text-subtitle1 q-my-none">{{SITE_TITLE}} TPoS extension</h6>
             ></q-checkbox>
           </div>
         </div>
+        <div class="row">
+          <div class="col">
+            <q-checkbox
+              v-model="formDialog.data.allow_price_adjustment"
+              label="Allow cart item price adjustment"
+            ></q-checkbox>
+          </div>
+        </div>
         <template v-if="formDialog.data.enable_receipt_print">
           <p class="text-caption">
             Receipt printing is an experimental feature. Not all devices work
diff --git a/templates/tpos/tpos.html b/templates/tpos/tpos.html
index cfbe094..584671d 100644
--- a/templates/tpos/tpos.html
+++ b/templates/tpos/tpos.html
@@ -229,6 +229,7 @@ <h5 class="text-italic">
     ? tpos.inventory_omit_tags.split(',').filter(Boolean)
     : []
   tpos.use_inventory = Boolean(tpos.use_inventory)
+  tpos.allow_price_adjustment = tpos.allow_price_adjustment ?? true
   if (tpos.withdraw_maximum) {
     tpos.withdraw_premium = Number(tpos.withdraw_maximum / 100)
   }