diff --git a/server/api/admin/dashboard.get.js b/server/api/admin/dashboard.get.js
index 31786e1..41fe694 100644
--- a/server/api/admin/dashboard.get.js
+++ b/server/api/admin/dashboard.get.js
@@ -17,9 +17,9 @@ export default defineEventHandler(async (event) => {
     })
 
     // Calculate monthly revenue from member contributions
-    const members = await Member.find({}, 'contributionTier').lean()
+    const members = await Member.find({}, 'contributionAmount').lean()
     const monthlyRevenue = members.reduce((total, member) => {
-      return total + parseInt(member.contributionTier || '0')
+      return total + (member.contributionAmount || 0)
     }, 0)
 
     const pendingSlackInvites = await Member.countDocuments({ slackInvited: false })
diff --git a/server/api/admin/members.post.js b/server/api/admin/members.post.js
index cfb6fcb..88a1101 100644
--- a/server/api/admin/members.post.js
+++ b/server/api/admin/members.post.js
@@ -23,7 +23,7 @@ export default defineEventHandler(async (event) => {
       name: body.name,
       email: body.email,
       circle: body.circle,
-      contributionTier: body.contributionTier,
+      contributionAmount: body.contributionAmount,
       slackInvited: false
     })
 
diff --git a/server/api/admin/members/[id].put.js b/server/api/admin/members/[id].put.js
index 826fe76..c2cc52e 100644
--- a/server/api/admin/members/[id].put.js
+++ b/server/api/admin/members/[id].put.js
@@ -26,7 +26,7 @@ export default defineEventHandler(async (event) => {
     name: body.name,
     email: body.email,
     circle: body.circle,
-    contributionTier: body.contributionTier,
+    contributionAmount: body.contributionAmount,
     status: body.status,
   }, { new: true })
 
@@ -35,7 +35,7 @@ export default defineEventHandler(async (event) => {
   if (existing.name !== body.name) changedFields.push('name')
   if (existing.email !== body.email) changedFields.push('email')
   if (existing.circle !== body.circle) changedFields.push('circle')
-  if (existing.contributionTier !== body.contributionTier) changedFields.push('contributionTier')
+  if (existing.contributionAmount !== body.contributionAmount) changedFields.push('contributionAmount')
   if (existing.status !== body.status) changedFields.push('status')
 
   if (changedFields.length) {
@@ -58,7 +58,7 @@ export default defineEventHandler(async (event) => {
     name: updated.name,
     email: updated.email,
     circle: updated.circle,
-    contributionTier: updated.contributionTier,
+    contributionAmount: updated.contributionAmount,
     status: updated.status,
     role: updated.role,
   }
diff --git a/server/api/admin/members/import.post.js b/server/api/admin/members/import.post.js
index 08ebeb8..fb77896 100644
--- a/server/api/admin/members/import.post.js
+++ b/server/api/admin/members/import.post.js
@@ -36,7 +36,7 @@ export default defineEventHandler(async (event) => {
         name: row.name,
         email: row.email,
         circle: row.circle,
-        contributionTier: row.contributionTier,
+        contributionAmount: row.contributionAmount,
         slackInvited: false
       })
       const saved = await member.save()
diff --git a/server/api/auth/member.get.js b/server/api/auth/member.get.js
index 5dbcfd8..8df1173 100644
--- a/server/api/auth/member.get.js
+++ b/server/api/auth/member.get.js
@@ -11,10 +11,10 @@ export default defineEventHandler(async (event) => {
     status: member.status,
     role: member.role || 'member',
     circle: member.circle,
-    contributionTier: member.contributionTier,
+    contributionAmount: member.contributionAmount,
     billingCadence: member.billingCadence,
     helcimCustomerId: member.helcimCustomerId,
-    membershipLevel: `${member.circle}-${member.contributionTier}`,
+    membershipLevel: `${member.circle}-${member.contributionAmount}`,
     // Profile fields
     pronouns: member.pronouns,
     timeZone: member.timeZone,
diff --git a/server/api/auth/status.get.js b/server/api/auth/status.get.js
index 08928a3..049c539 100644
--- a/server/api/auth/status.get.js
+++ b/server/api/auth/status.get.js
@@ -30,8 +30,8 @@ export default defineEventHandler(async (event) => {
         name: member.name,
         circle: member.circle,
         status: member.status,
-        contributionTier: member.contributionTier,
-        membershipLevel: `${member.circle}-${member.contributionTier}`
+        contributionAmount: member.contributionAmount,
+        membershipLevel: `${member.circle}-${member.contributionAmount}`
       }
     }
   } catch (err) {
diff --git a/server/api/dev/test-login.get.js b/server/api/dev/test-login.get.js
index f6b87d2..32ac0b9 100644
--- a/server/api/dev/test-login.get.js
+++ b/server/api/dev/test-login.get.js
@@ -20,7 +20,7 @@ export default defineEventHandler(async (event) => {
       $setOnInsert: {
         name: "Test Admin",
         circle: "founder",
-        contributionTier: "0",
+        contributionAmount: 0,
         role: "admin",
         status: "active",
       },
diff --git a/server/api/events/[id]/payment.post.js b/server/api/events/[id]/payment.post.js
index 2f885a6..26b0d7f 100644
--- a/server/api/events/[id]/payment.post.js
+++ b/server/api/events/[id]/payment.post.js
@@ -61,7 +61,7 @@ export default defineEventHandler(async (event) => {
       eventData.registrations.push({
         name: body.name,
         email: body.email.toLowerCase(),
-        membershipLevel: `${member.circle}-${member.contributionTier}`,
+        membershipLevel: `${member.circle}-${member.contributionAmount}`,
         isMember: true,
         paymentStatus: 'not_required',
         amountPaid: 0
diff --git a/server/api/events/[id]/register.post.js b/server/api/events/[id]/register.post.js
index ba0707f..7f6685f 100644
--- a/server/api/events/[id]/register.post.js
+++ b/server/api/events/[id]/register.post.js
@@ -97,7 +97,7 @@ export default defineEventHandler(async (event) => {
 
     if (memberHasAccess) {
       isMember = true;
-      membershipLevel = `${member.circle}-${member.contributionTier}`;
+      membershipLevel = `${member.circle}-${member.contributionAmount}`;
     }
 
     // Add registration
diff --git a/server/api/events/[id]/tickets/check-eligibility.post.js b/server/api/events/[id]/tickets/check-eligibility.post.js
index c0d5820..89c3086 100644
--- a/server/api/events/[id]/tickets/check-eligibility.post.js
+++ b/server/api/events/[id]/tickets/check-eligibility.post.js
@@ -14,7 +14,7 @@ export default defineEventHandler(async (event) => {
     // Check if user is a member
     const member = await Member.findOne({
       email: body.email.toLowerCase(),
-    }).select("email name circle contributionTier");
+    }).select("email name circle contributionAmount");
 
     if (!member) {
       return {
@@ -28,7 +28,7 @@ export default defineEventHandler(async (event) => {
       eligibleForMemberPricing: true,
       memberInfo: {
         circle: member.circle,
-        tier: member.contributionTier,
+        amount: member.contributionAmount,
         name: member.name,
       },
     };
diff --git a/server/api/events/[id]/tickets/purchase.post.js b/server/api/events/[id]/tickets/purchase.post.js
index 7574d74..571d813 100644
--- a/server/api/events/[id]/tickets/purchase.post.js
+++ b/server/api/events/[id]/tickets/purchase.post.js
@@ -101,7 +101,7 @@ export default defineEventHandler(async (event) => {
             email: body.email.toLowerCase(),
             name: body.name,
             circle: "community",
-            contributionTier: "0",
+            contributionAmount: 0,
             status: "guest",
           },
         },
@@ -117,7 +117,7 @@ export default defineEventHandler(async (event) => {
       name: body.name,
       email: body.email.toLowerCase(),
       membershipLevel: memberHasAccess
-        ? `${member.circle}-${member.contributionTier}`
+        ? `${member.circle}-${member.contributionAmount}`
         : "non-member",
       isMember: memberHasAccess,
       ticketType: ticketInfo.ticketType,
diff --git a/server/api/events/[id]/waitlist.post.js b/server/api/events/[id]/waitlist.post.js
index 6930e81..8cfd984 100644
--- a/server/api/events/[id]/waitlist.post.js
+++ b/server/api/events/[id]/waitlist.post.js
@@ -71,7 +71,7 @@ export default defineEventHandler(async (event) => {
     const member = await Member.findOne({ email: email.toLowerCase() });
     if (member) {
       memberName = memberName || member.name;
-      memberLevel = `${member.circle}-${member.contributionTier}`;
+      memberLevel = `${member.circle}-${member.contributionAmount}`;
     }
 
     // Add to waitlist
diff --git a/server/api/helcim/customer.post.js b/server/api/helcim/customer.post.js
index db22b2a..4bbcc80 100644
--- a/server/api/helcim/customer.post.js
+++ b/server/api/helcim/customer.post.js
@@ -29,7 +29,7 @@ export default defineEventHandler(async (event) => {
       email: body.email,
       name: body.name,
       circle: body.circle,
-      contributionTier: body.contributionTier,
+      contributionAmount: body.contributionAmount,
       helcimCustomerId: customerData.id,
       status: 'pending_payment',
       agreement: { acceptedAt: new Date() }
@@ -46,7 +46,7 @@ export default defineEventHandler(async (event) => {
         email: member.email,
         name: member.name,
         circle: member.circle,
-        contributionTier: member.contributionTier,
+        contributionAmount: member.contributionAmount,
         status: member.status
       }
     }
diff --git a/server/api/invite/accept.post.js b/server/api/invite/accept.post.js
index 6497709..a78764a 100644
--- a/server/api/invite/accept.post.js
+++ b/server/api/invite/accept.post.js
@@ -43,9 +43,9 @@ export default defineEventHandler(async (event) => {
     pronouns: body.pronouns || undefined,
     location: body.location || undefined,
     circle: body.circle,
-    contributionTier: body.contributionTier,
+    contributionAmount: body.contributionAmount,
     bio: body.motivation || undefined,
-    status: body.contributionTier === '0' ? 'active' : 'pending_payment',
+    status: body.contributionAmount === 0 ? 'active' : 'pending_payment',
     agreement: { acceptedAt: new Date() },
   })
 
@@ -66,7 +66,7 @@ export default defineEventHandler(async (event) => {
   })
 
   // For free tier, issue session and redirect to welcome
-  if (body.contributionTier === '0') {
+  if (body.contributionAmount === 0) {
     const sessionToken = jwt.sign(
       { memberId: member._id, email: member.email, tv: member.tokenVersion },
       config.jwtSecret,
@@ -90,7 +90,7 @@ export default defineEventHandler(async (event) => {
         email: member.email,
         name: member.name,
         circle: member.circle,
-        contributionTier: member.contributionTier,
+        contributionAmount: member.contributionAmount,
         status: member.status,
       }
     }
@@ -105,7 +105,7 @@ export default defineEventHandler(async (event) => {
       email: member.email,
       name: member.name,
       circle: member.circle,
-      contributionTier: member.contributionTier,
+      contributionAmount: member.contributionAmount,
       status: member.status,
     }
   }
diff --git a/server/api/members/cancel-subscription.post.js b/server/api/members/cancel-subscription.post.js
index b16d54a..a0fada2 100644
--- a/server/api/members/cancel-subscription.post.js
+++ b/server/api/members/cancel-subscription.post.js
@@ -7,12 +7,12 @@ export default defineEventHandler(async (event) => {
     const member = await requireAuth(event);
 
     // If already on free tier, nothing to cancel
-    if (member.contributionTier === "0" || !member.helcimSubscriptionId) {
+    if (member.contributionAmount === 0 || !member.helcimSubscriptionId) {
       return {
         success: true,
         message: "No active subscription to cancel",
         status: member.status,
-        contributionTier: member.contributionTier,
+        contributionAmount: member.contributionAmount,
       };
     }
 
@@ -29,7 +29,7 @@ export default defineEventHandler(async (event) => {
       {
         $set: {
           status: 'pending_payment',
-          contributionTier: '0',
+          contributionAmount: 0,
           helcimSubscriptionId: null,
           paymentMethod: 'none',
           subscriptionEndDate: new Date(),
@@ -46,7 +46,7 @@ export default defineEventHandler(async (event) => {
       success: true,
       message: "Subscription cancelled successfully",
       status: 'pending_payment',
-      contributionTier: '0',
+      contributionAmount: 0,
     };
   } catch (error) {
     console.error("Error cancelling subscription:", error);
diff --git a/server/api/members/create.post.js b/server/api/members/create.post.js
index 6f38531..53827b0 100644
--- a/server/api/members/create.post.js
+++ b/server/api/members/create.post.js
@@ -47,7 +47,7 @@ async function inviteToSlack(member) {
         member.name,
         member.email,
         member.circle,
-        member.contributionTier,
+        member.contributionAmount,
         inviteResult.status
       )
       
@@ -128,7 +128,7 @@ export default defineEventHandler(async (event) => {
         email: member.email,
         name: member.name,
         circle: member.circle,
-        contributionTier: member.contributionTier,
+        contributionAmount: member.contributionAmount,
         status: member.status
       }
     }
diff --git a/server/api/members/profile.patch.js b/server/api/members/profile.patch.js
index ea211ab..4cad5e8 100644
--- a/server/api/members/profile.patch.js
+++ b/server/api/members/profile.patch.js
@@ -67,7 +67,7 @@ export default defineEventHandler(async (event) => {
       email: member.email,
       name: member.name,
       circle: member.circle,
-      contributionTier: member.contributionTier,
+      contributionAmount: member.contributionAmount,
       pronouns: member.pronouns,
       timeZone: member.timeZone,
       avatar: member.avatar,
diff --git a/server/utils/slack.ts b/server/utils/slack.ts
index 2137ba2..f1fd674 100644
--- a/server/utils/slack.ts
+++ b/server/utils/slack.ts
@@ -181,7 +181,7 @@ export class SlackService {
     memberName: string,
     memberEmail: string,
     circle: string,
-    contributionTier: string,
+    contributionAmount: number,
     invitationStatus: string = "manual_invitation_required",
   ): Promise<void> {
     try {
@@ -240,7 +240,7 @@ export class SlackService {
               },
               {
                 type: "mrkdwn",
-                text: `*Contribution:*\n$${contributionTier}/month`,
+                text: `*Contribution:*\n$${contributionAmount}/month`,
               },
             ],
           },