StockSyncDorm

Shared dorm inventory network to prevent group stockouts

Score: 7.4/10BrazilMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

College students running ecommerce stores for dorm essentials can't balance inventory management with classes and exams, causing constant stockouts and lost sales.

Solution

StockSyncDorm lets nearby dorm sellers share visibility into each other's inventory for essentials. Borrow/swap stock instantly via campus network to cover shortages. Community-driven to balance loads during peak times like move-in week.

Target Audience

College students operating ecommerce stores selling dorm essentials

Differentiator

Peer-to-peer dorm inventory sharing marketplace

Brand Voice

friendly

Features

Inventory Sharing

must-have15h

Real-time view of nearby sellers' stock

Request/Borrow System

must-have18h

Send borrow requests with instant chat

Campus Matching

must-have12h

Geolocate to match dorm/campus peers

Trade Ledger

must-have10h

Track swaps/borrows with IOU system

Group Alerts

must-have14h

Campus-wide low-stock notifications

Reputation Scores

nice-to-have8h

Rate peers for reliable sharing

Bulk Group Buys

nice-to-have12h

Organize campus bulk orders

Analytics

future15h

Shared demand insights

Total Build Time: 104 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
campustextNo
location_latfloatYes
location_lngfloatYes

Relationships:

  • one-to-many with inventories

inventories

ColumnTypeNullable
iduuidNo
user_iduuidNo
product_idtextNo
quantityintNo
visibilityboolNo

Relationships:

  • foreign key to users.id

trades

ColumnTypeNullable
iduuidNo
requester_iduuidNo
owner_iduuidNo
product_idtextNo
quantityintNo
statustextNo

Relationships:

  • foreign keys to users.id

API Endpoints

GET
/api/nearby-inventories

Find stocks by location/product

🔒 Auth Required
POST
/api/trades

Create trade request

🔒 Auth Required
PUT
/api/trades/:id/accept

Accept/decline trade

🔒 Auth Required
POST
/api/inventories

Update shared inventory

🔒 Auth Required
GET
/api/alerts/campus

Campus low-stock alerts

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + shadcn/ui
Backend
Next.js API + Supabase
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Geolocation APIPusher for realtime chatSupabase Realtime

Build Timeline

Week 1: Auth and profiles

20h
  • User signup
  • Campus/location

Week 2: Inventory sharing

25h
  • Inventory CRUD
  • Nearby search

Week 3: Trade system

22h
  • Request/accept flows

Week 4: Realtime features

20h
  • Chat/alerts realtime

Week 5: UI polish

15h
  • Map views
  • Ledger

Week 6: Payments/testing

12h
  • Tiers
  • Beta test

Week 7: Launch

8h
  • Landing
  • Campus invites

Week 8: Iterations

5h
  • Feedback fixes
Total Timeline: 8 weeks • 165 hours

Pricing Tiers

Free

$0/mo

5 products

  • View shares
  • 1 campus

Pro

$20/mo
  • Unlimited shares/requests
  • Multi-campus
  • Priority matching

Enterprise

$60/mo
  • Group admin
  • Custom alerts
  • API

Revenue Projections

MonthUsersConversionMRRARR
Month 13002%$120$1,440
Month 61,5006%$1,800$21,600

Unit Economics

$10
CAC
$280
LTV
7%
Churn
88%
Margin
LTV:CAC Ratio: 28.0xExcellent!

Landing Page Copy

Share Stock, Save Your Dorm Store

Connect with campus sellers to borrow essentials instantly – no more solo stockouts.

Feature Highlights

Nearby inventory map
Instant borrow requests
Trade ledger
Community alerts

Social Proof (Placeholders)

"'Borrowed lamps during rush!' - Tyler, dorm seller"
"'Network saved my sales.' - Emma, frat shop"

First Three Customers

Seed one campus via student union posts and flyers; invite via college Discord servers; partner with 3 dorm reslife ecommerce groups for beta.

Launch Channels

Product Huntr/colleger/dormsCampus subredditsTikTok student hacks

SEO Keywords

dorm inventory sharingcampus stock swapcollege seller networkpeer dorm restockshared dorm essentials inventory

Competitive Analysis

$29/mo
Strength

Pro inventory

Weakness

No sharing/community

Our Advantage

P2P network effects

$29/mo
Strength

QR scanning

Weakness

Solo use only

Our Advantage

Collaborative for dorms

🏰 Moat Strategy

Network effects from campus lock-in and reputation data

⏰ Why Now?

Dorm living surge, community apps booming (e.g. Depop for goods), back-to-campus economy

Risks & Mitigation

markethigh severity

Low trust in sharing

Mitigation

Reputation + deposits

technicalmedium severity

Geolocation privacy

Mitigation

Opt-in coarse location

legallow severity

Liability on trades

Mitigation

Terms + insurance waiver

Validation Roadmap

pre-build4 days

Campus survey on sharing interest

Success: 30% positive

mvp21 days

Single campus beta

Success: 10 active trades

launch14 days

Multi-campus rollout

Success: 3 campuses >50 users

Pivot Options

  • General P2P inventory
  • Campus bulk buyer
  • Dorm product directory

Quick Stats

Build Time
165h
Target MRR (6 mo)
$6,000
Market Size
$6.0M
Features
8
Database Tables
3
API Endpoints
5