diff --git a/app/controllers/registrations_controller.rb b/app/controllers/registrations_controller.rb
index 62a47fb9b4..f5a155421e 100644
--- a/app/controllers/registrations_controller.rb
+++ b/app/controllers/registrations_controller.rb
@@ -6,22 +6,23 @@ class RegistrationsController < Devise::RegistrationsController
   prepend_before_action :disable_destroy, only: [:destroy]
 
   def new
-    respond_to { |format| format.html { redirect_with_authentication('signUp') } }
+    respond_to { |format| format.html { redirect_with_authentication("signUp") } }
   end
 
   private
 
   def check_captcha
+    return if RootSite.instance.disable_captcha?
     return if verify_recaptcha
 
     configure_permitted_parameters # we prepended, so this won't have run
     self.resource = resource_class.new sign_up_params
     resource.validate # Look for any other validation errors besides Recaptcha
-    resource.errors.add :recaptcha, 'failed verification'
+    resource.errors.add :recaptcha, "failed verification"
     respond_with resource
   end
 
   def disable_destroy
-    redirect_to root_path, alert: 'To delete your account, please email the site administrators.'
+    redirect_to root_path, alert: "To delete your account, please email the site administrators."
   end
 end
diff --git a/app/models/root_site.rb b/app/models/root_site.rb
index dd460429c9..2e1285f1f2 100644
--- a/app/models/root_site.rb
+++ b/app/models/root_site.rb
@@ -5,6 +5,7 @@
 # Table name: root_sites
 #
 #  id                :bigint           not null, primary key
+#  disable_captcha   :boolean          default(FALSE), not null
 #  site_name         :text
 #  default_layout_id :bigint
 #  root_page_id      :bigint
diff --git a/app/presenters/convention_reports_presenter.rb b/app/presenters/convention_reports_presenter.rb
index 9d2073f24b..a38d2ec217 100644
--- a/app/presenters/convention_reports_presenter.rb
+++ b/app/presenters/convention_reports_presenter.rb
@@ -20,6 +20,7 @@ def sales_count_by_product_and_payment_amount
               "COALESCE(price_per_item_cents, 0)",
               "COALESCE(price_per_item_currency, #{ActiveRecord::Base.connection.quote(convention.default_currency_code_or_site_default)})"
             )
+            .where("product_id IS NOT NULL")
             .pluck(
               :product_id,
               :status,
@@ -27,7 +28,7 @@ def sales_count_by_product_and_payment_amount
               Arel.sql(
                 "COALESCE(price_per_item_currency, #{ActiveRecord::Base.connection.quote(convention.default_currency_code_or_site_default)})"
               ),
-              Arel.sql("SUM(quantity) sum_quantity")
+              Arel.sql("COALESCE(SUM(quantity), 0) sum_quantity")
             )
 
         grouped_count_data.map do |product_id, status, amount_cents, amount_currency, sum_quantity|
diff --git a/db/migrate/20240916155847_add_disable_captcha_to_root_sites.rb b/db/migrate/20240916155847_add_disable_captcha_to_root_sites.rb
new file mode 100644
index 0000000000..224502abb0
--- /dev/null
+++ b/db/migrate/20240916155847_add_disable_captcha_to_root_sites.rb
@@ -0,0 +1,5 @@
+class AddDisableCaptchaToRootSites < ActiveRecord::Migration[7.2]
+  def change
+    add_column :root_sites, :disable_captcha, :boolean, null: false, default: false
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index c20ac95ea5..fe6727c3b8 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -2422,7 +2422,8 @@ CREATE TABLE public.root_sites (
     id bigint NOT NULL,
     site_name text,
     root_page_id bigint,
-    default_layout_id bigint
+    default_layout_id bigint,
+    disable_captcha boolean DEFAULT false NOT NULL
 );
 
 
@@ -6119,6 +6120,7 @@ ALTER TABLE ONLY public.cms_files_pages
 SET search_path TO "$user", public;
 
 INSERT INTO "schema_migrations" (version) VALUES
+('20240916155847'),
 ('20240807155222'),
 ('20240717150224'),
 ('20240620014115'),
diff --git a/test/factories/root_sites.rb b/test/factories/root_sites.rb
index c792b12d87..a20aa9d2cc 100644
--- a/test/factories/root_sites.rb
+++ b/test/factories/root_sites.rb
@@ -4,6 +4,7 @@
 # Table name: root_sites
 #
 #  id                :bigint           not null, primary key
+#  disable_captcha   :boolean          default(FALSE), not null
 #  site_name         :text
 #  default_layout_id :bigint
 #  root_page_id      :bigint
@@ -19,7 +20,6 @@
 #  fk_rails_...  (root_page_id => pages.id)
 #
 # rubocop:enable Layout/LineLength, Lint/RedundantCopDisableDirective
-# rubocop:disable Metrics/LineLength, Lint/RedundantCopDisableDirective
 FactoryBot.define do
   factory :root_site do
     site_name { "The Root Site" }
diff --git a/test/models/root_site_test.rb b/test/models/root_site_test.rb
index 92c0b8b254..dc42c395ce 100644
--- a/test/models/root_site_test.rb
+++ b/test/models/root_site_test.rb
@@ -4,6 +4,7 @@
 # Table name: root_sites
 #
 #  id                :bigint           not null, primary key
+#  disable_captcha   :boolean          default(FALSE), not null
 #  site_name         :text
 #  default_layout_id :bigint
 #  root_page_id      :bigint
@@ -19,7 +20,6 @@
 #  fk_rails_...  (root_page_id => pages.id)
 #
 # rubocop:enable Layout/LineLength, Lint/RedundantCopDisableDirective
-# rubocop:disable Layout/LineLength, Lint/RedundantCopDisableDirective
 require "test_helper"
 
 class RootSiteTest < ActiveSupport::TestCase