diff --git a/static/gsAdmin/components/changePlanAction.spec.tsx b/static/gsAdmin/components/changePlanAction.spec.tsx
index 853533bf617312..92bc6503b49fd4 100644
--- a/static/gsAdmin/components/changePlanAction.spec.tsx
+++ b/static/gsAdmin/components/changePlanAction.spec.tsx
@@ -89,7 +89,7 @@ describe('ChangePlanAction', () => {
   async function openAndLoadModal(props = {}) {
     triggerChangePlanAction({
       subscription,
-      orgId: mockOrg.slug,
+      organization: mockOrg,
       onSuccess: jest.fn(),
       partnerPlanId: null,
       ...props,
@@ -184,6 +184,7 @@ describe('ChangePlanAction', () => {
   });
 
   it('completes form submission flow', async () => {
+    mockOrg.features = [];
     // Mock the PUT endpoint response
     const putMock = MockApiClient.addMockResponse({
       url: `/customers/${mockOrg.slug}/subscription/`,
@@ -212,6 +213,8 @@ describe('ChangePlanAction', () => {
       '1'
     );
 
+    expect(screen.queryByText('Available Products')).not.toBeInTheDocument();
+
     expect(screen.getByRole('button', {name: 'Change Plan'})).toBeEnabled();
     await userEvent.click(screen.getByRole('button', {name: 'Change Plan'}));
 
@@ -221,6 +224,44 @@ describe('ChangePlanAction', () => {
     expect(requestData).toHaveProperty('plan', 'am3_business');
   });
 
+  it('completes form with seer', async () => {
+    mockOrg.features = ['seer-billing'];
+    const putMock = MockApiClient.addMockResponse({
+      url: `/customers/${mockOrg.slug}/subscription/`,
+      method: 'PUT',
+      body: {success: true},
+    });
+
+    openAndLoadModal();
+
+    await waitFor(() => {
+      expect(screen.getByRole('tab', {name: 'AM3'})).toBeInTheDocument();
+    });
+
+    await userEvent.click(screen.getAllByRole('radio')[0] as HTMLElement);
+
+    await selectEvent.select(screen.getByRole('textbox', {name: 'Errors'}), '100,000');
+    await selectEvent.select(screen.getByRole('textbox', {name: 'Replays'}), '50');
+    await selectEvent.select(screen.getByRole('textbox', {name: 'Spans'}), '10,000,000');
+    await selectEvent.select(screen.getByRole('textbox', {name: 'Cron monitors'}), '1');
+    await selectEvent.select(screen.getByRole('textbox', {name: 'Uptime monitors'}), '1');
+    await selectEvent.select(
+      screen.getByRole('textbox', {name: 'Attachments (GB)'}),
+      '1'
+    );
+
+    expect(screen.getByText('Available Products')).toBeInTheDocument();
+    await userEvent.click(screen.getByText('Seer'));
+
+    expect(screen.getByRole('button', {name: 'Change Plan'})).toBeEnabled();
+    await userEvent.click(screen.getByRole('button', {name: 'Change Plan'}));
+
+    expect(putMock).toHaveBeenCalled();
+    const requestData = putMock.mock.calls[0][1].data;
+    expect(requestData).toHaveProperty('plan', 'am3_business');
+    expect(requestData).toHaveProperty('seer', true);
+  });
+
   it('updates plan list when switching between tiers', async () => {
     openAndLoadModal();
 
@@ -314,4 +355,69 @@ describe('ChangePlanAction', () => {
     expect(requestData).toHaveProperty('reservedErrors', 50000);
     expect(requestData).toHaveProperty('reservedTransactions', 25000);
   });
+
+  describe('Seer Budget', () => {
+    beforeEach(() => {
+      mockOrg.features = ['seer-billing'];
+      jest.clearAllMocks();
+      MockApiClient.clearMockResponses();
+
+      const user = UserFixture();
+      user.permissions = new Set(['billing.provision']);
+      ConfigStore.set('user', user);
+      SubscriptionStore.set(mockOrg.slug, subscription);
+
+      // Set up default subscription response
+      MockApiClient.addMockResponse({
+        url: `/subscriptions/${mockOrg.slug}/`,
+        body: subscription,
+      });
+
+      MockApiClient.addMockResponse({
+        url: `/customers/${mockOrg.slug}/billing-config/?tier=all`,
+        body: BILLING_CONFIG,
+      });
+    });
+
+    it('shows Seer budget checkbox for AM tiers', async () => {
+      openAndLoadModal();
+
+      await waitFor(() => {
+        expect(screen.getByRole('tab', {name: 'AM3'})).toBeInTheDocument();
+      });
+      await userEvent.click(screen.getAllByRole('radio')[0] as HTMLElement);
+
+      expect(screen.getByText('Seer')).toBeInTheDocument();
+
+      const am2Tab = screen.getByRole('tab', {name: 'AM2'});
+      await userEvent.click(am2Tab);
+      await userEvent.click(screen.getAllByRole('radio')[0] as HTMLElement);
+
+      expect(screen.getByText('Seer')).toBeInTheDocument();
+
+      const am1Tab = screen.getByRole('tab', {name: 'AM1'});
+      await userEvent.click(am1Tab);
+      await userEvent.click(screen.getAllByRole('radio')[0] as HTMLElement);
+
+      expect(screen.getByText('Seer')).toBeInTheDocument();
+    });
+    it('hides Seer budget checkbox for MM2 tier', async () => {
+      openAndLoadModal();
+
+      await waitFor(() => {
+        expect(screen.getByRole('tab', {name: 'AM3'})).toBeInTheDocument();
+      });
+
+      const mm2Tab = screen.getByRole('tab', {name: 'MM2'});
+      await userEvent.click(mm2Tab);
+
+      await userEvent.click(screen.getAllByRole('radio')[0] as HTMLElement);
+
+      expect(
+        screen.queryByRole('checkbox', {
+          name: 'Seer Budget',
+        })
+      ).not.toBeInTheDocument();
+    });
+  });
 });
diff --git a/static/gsAdmin/components/changePlanAction.tsx b/static/gsAdmin/components/changePlanAction.tsx
index d5befa08b25946..1f3d60a3b89f16 100644
--- a/static/gsAdmin/components/changePlanAction.tsx
+++ b/static/gsAdmin/components/changePlanAction.tsx
@@ -16,6 +16,7 @@ import LoadingIndicator from 'sentry/components/loadingIndicator';
 import ConfigStore from 'sentry/stores/configStore';
 import {space} from 'sentry/styles/space';
 import type {DataCategory} from 'sentry/types/core';
+import type {Organization} from 'sentry/types/organization';
 import {useApiQuery} from 'sentry/utils/queryClient';
 import {toTitleCase} from 'sentry/utils/string/toTitleCase';
 import useApi from 'sentry/utils/useApi';
@@ -29,14 +30,14 @@ const ALLOWED_TIERS = [PlanTier.MM2, PlanTier.AM1, PlanTier.AM2, PlanTier.AM3];
 
 type Props = {
   onSuccess: () => void;
-  orgId: string;
+  organization: Organization;
   partnerPlanId: string | null;
   subscription: Subscription;
 } & ModalRenderProps;
 
 function ChangePlanAction({
   subscription,
-  orgId,
+  organization,
   partnerPlanId,
   onSuccess,
   closeModal,
@@ -46,6 +47,7 @@ function ChangePlanAction({
   const [activeTier, setActiveTier] = useState<PlanTier>(PlanTier.AM3);
   const [activePlan, setActivePlan] = useState<Plan | null>(null);
   const [formModel] = useState(() => new FormModel());
+  const orgId = organization.slug;
 
   const api = useApi({persistInFlight: true});
   const {
@@ -156,7 +158,10 @@ function ChangePlanAction({
     }
 
     Object.entries(subscription.categories).forEach(([category, metricHistory]) => {
-      if (metricHistory.reserved) {
+      if (
+        metricHistory.reserved &&
+        plan.checkoutCategories.includes(category as DataCategory)
+      ) {
         const closestTier = findClosestTier(
           plan,
           category as DataCategory,
@@ -319,6 +324,7 @@ function ChangePlanAction({
         formModel={formModel}
         activePlan={activePlan}
         subscription={subscription}
+        organization={organization}
         onSubmit={handleSubmit}
         onCancel={closeModal}
         onSubmitSuccess={(data: Data) => {
@@ -340,7 +346,7 @@ function ChangePlanAction({
 
 type Options = {
   onSuccess: () => void;
-  orgId: string;
+  organization: Organization;
   partnerPlanId: string | null;
   subscription: Subscription;
 };
diff --git a/static/gsAdmin/components/planList.tsx b/static/gsAdmin/components/planList.tsx
index 94746bbc2b0da6..e18f8d0ab02f36 100644
--- a/static/gsAdmin/components/planList.tsx
+++ b/static/gsAdmin/components/planList.tsx
@@ -1,5 +1,6 @@
 import styled from '@emotion/styled';
 
+import CheckboxField from 'sentry/components/forms/fields/checkboxField';
 import InputField from 'sentry/components/forms/fields/inputField';
 import RadioField from 'sentry/components/forms/fields/radioField';
 import SelectField from 'sentry/components/forms/fields/selectField';
@@ -9,6 +10,7 @@ import type FormModel from 'sentry/components/forms/model';
 import type {Data, OnSubmitCallback} from 'sentry/components/forms/types';
 import {space} from 'sentry/styles/space';
 import {DataCategory} from 'sentry/types/core';
+import type {Organization} from 'sentry/types/organization';
 import {toTitleCase} from 'sentry/utils/string/toTitleCase';
 
 import {ANNUAL} from 'getsentry/constants';
@@ -24,6 +26,7 @@ type Props = {
   onSubmit: OnSubmitCallback;
   onSubmitError: (error: any) => void;
   onSubmitSuccess: (data: Data) => void;
+  organization: Organization;
   subscription: Subscription;
   tierPlans: BillingConfig['planList'];
 };
@@ -31,6 +34,7 @@ type Props = {
 function PlanList({
   activePlan,
   subscription,
+  organization,
   onSubmit,
   onCancel,
   onSubmitSuccess,
@@ -74,6 +78,17 @@ function PlanList({
     100000: '100K',
   };
 
+  const availableProducts = Object.values(activePlan?.availableReservedBudgetTypes || {})
+    .filter(
+      productInfo =>
+        productInfo.isFixed && // NOTE: for now, we only supported fixed budget products in checkout
+        productInfo.billingFlag &&
+        organization.features.includes(productInfo.billingFlag)
+    )
+    .map(productInfo => {
+      return productInfo;
+    });
+
   return (
     <Form
       onSubmit={onSubmit}
@@ -161,6 +176,24 @@ function PlanList({
             })}
           </StyledFormSection>
         )}
+      {availableProducts.length > 0 && (
+        <StyledFormSection>
+          <h4>Available Products</h4>
+          {availableProducts.map(productInfo => {
+            return (
+              <CheckboxField
+                key={productInfo.productName}
+                data-test-id={`checkbox-${productInfo.productName}`}
+                label={toTitleCase(productInfo.productName)}
+                name={productInfo.productName}
+                onChange={(value: any) => {
+                  formModel.setValue(productInfo.productName, value.target.checked);
+                }}
+              />
+            );
+          })}
+        </StyledFormSection>
+      )}
       <AuditFields>
         <InputField
           data-test-id="url-field"
diff --git a/static/gsAdmin/views/customerDetails.tsx b/static/gsAdmin/views/customerDetails.tsx
index c043bd94de0e08..18865a0ff0fd0a 100644
--- a/static/gsAdmin/views/customerDetails.tsx
+++ b/static/gsAdmin/views/customerDetails.tsx
@@ -602,7 +602,7 @@ export default function CustomerDetails() {
             skipConfirmModal: true,
             onAction: () =>
               triggerChangePlanAction({
-                orgId,
+                organization,
                 subscription,
                 partnerPlanId: subscription.partner?.isActive
                   ? subscription.planDetails.id