VendBucks

Cashback on every campus vending snack – no more fee gouging.

Score: 7.3/10ArgentinaMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

College students pay high fees for campus-specific payments like laundry and vending machines due to inadequate mobile banking apps.

Solution

VendBucks creates a preload wallet for vending machines, paying via NFC/QR with 5% cashback rewards. Users find deals and locations via GPS. Bypass 20% kiosk markups with instant, low-fee mobile payments.

Target Audience

College students on campuses relying on shared laundry and vending machine payment systems

Differentiator

Built-in cashback and deal finder for vending, turning payments into savings unlike plain payment apps.

Brand Voice

edgy

Features

Vending Wallet

must-have8h

Preload funds for instant NFC/QR vending pays.

Location Finder

must-have12h

GPS map of vending machines with stock alerts.

Cashback Rewards

must-have10h

5% back on every purchase as wallet credit.

Quick Pay

must-have15h

Tap/scan to pay without app open fully.

Purchase History

must-have6h

Track spends, rewards earned, and analytics.

Deal Alerts

nice-to-have7h

Notifications for discounted items nearby.

Bulk Top-up

nice-to-have5h

Schedule recurring wallet refills.

Social Share

nice-to-have6h

Share deals with friends for bonus cashback.

Total Build Time: 69 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
campus_iduuidNo
wallet_balanceintNo
rewards_balanceintNo

Relationships:

  • campus_id -> campuses.id

transactions

ColumnTypeNullable
iduuidNo
user_iduuidNo
vending_iduuidNo
amountintNo
cashbackintNo
created_attimestampNo

Relationships:

  • user_id -> users.id
  • vending_id -> vending_machines.id

vending_machines

ColumnTypeNullable
iduuidNo
campus_iduuidNo
latintNo
lngintNo
qr_codetextYes

Relationships:

  • campus_id -> campuses.id

campuses

ColumnTypeNullable
iduuidNo
nametextNo

API Endpoints

POST
/api/wallet/topup

Refill vending wallet

🔒 Auth Required
GET
/api/vending/nearby

List nearby machines with deals

🔒 Auth Required
POST
/api/transactions/pay

Execute vending payment with cashback

🔒 Auth Required
GET
/api/rewards/history

User rewards and txns

🔒 Auth Required
GET
/api/deals

Current vending deals

Tech Stack

Frontend
Next.js 14 + Tailwind + shadcn/ui + React Query
Backend
Next.js 14 API routes
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Mapbox geolocationResendPlausible

Build Timeline

Week 1: Auth and wallet

20h
  • Signup
  • Wallet UI
  • DB

Week 2: Payments + Stripe

25h
  • Top-up flow
  • Cashback logic

Week 3: Map and finder

25h
  • GPS machine list
  • NFC sim

Week 4: Pay flow + history

20h
  • QR/NFC pay
  • History

Week 5: Rewards + alerts

15h
  • Deal notifs
  • Rewards

Week 6: Launch prep

10h
  • Tests
  • Landing
Total Timeline: 6 weeks • 130 hours

Pricing Tiers

Free

$0/mo

No payments, 2% cashback

  • Machine finder
  • Basic history

Pro

$27/mo

$300/mo spend

  • Unlimited pays
  • 5% cashback
  • Alerts

Hustle

$47/mo

Unlimited

  • All Pro + 7% cashback
  • Bulk buys
  • API access

Revenue Projections

MonthUsersConversionMRRARR
Month 11502%$81$972
Month 61,2004%$1,296$15,552

Unit Economics

$7
CAC
$220
LTV
7%
Churn
90%
Margin
LTV:CAC Ratio: 31.4xExcellent!

Landing Page Copy

Hack Campus Vending Fees – Get Paid to Snack

5% cashback on every buy, find deals fast.

Feature Highlights

Instant NFC pays
GPS vending map
Auto cashback
No kiosk ripoffs

Social Proof (Placeholders)

"'Free sodas every week!' - Jordan, MSU"
"'Best app for late-night munchies' - Taylor, OSU"

First Three Customers

Target vending-heavy campuses like state unis via TikTok/IG reels demoing cashback. Join campus Discord servers for beta testers. Offer $5 credit signup bonus to first 50 Reddit posters.

Launch Channels

Product Huntr/snacksr/FrugalTwitter #StudentHacksCampus Discords

SEO Keywords

campus vending paymentcollege vending app cashbackvending machine QR paydorm snack walletcampus vending deals

Competitive Analysis

Free with fees
Strength

Wide machine coverage

Weakness

High 10% fees, no rewards

Our Advantage

Cashback + zero fees

🏰 Moat Strategy

User-generated vending data and rewards lock-in via cashback velocity.

⏰ Why Now?

Student snack spends up 25% with inflation, vending ops going digital but fees unchanged.

Risks & Mitigation

technicalmedium severity

NFC accuracy issues

Mitigation

Fallback to QR, test on devices

marketlow severity

Seasonal usage drops

Mitigation

Multi-campus + off-season promos

executionmedium severity

Slow map data population

Mitigation

UGC + admin uploads

Validation Roadmap

pre-build5 days

Interview 30 vending users

Success: 60% interest in cashback

mvp10 days

20 beta payments

Success: 90% success rate

growth30 days

Campus ambassador program

Success: 100 users/campus

Pivot Options

  • Retail campus store pays
  • Meal plan splitter
  • General micro-payments

Quick Stats

Build Time
130h
Target MRR (6 mo)
$4,000
Market Size
$800.0M
Features
8
Database Tables
4
API Endpoints
5