Showcase project

VibeBiding

A transparent C2C auction platform for second-hand electronics. Starting bids at $20 CAD, pickup-only Ottawa, 48h return with AI-powered claim decisions.

C2C auction marketplace
Trust-first UX
AI claim management
Stripe Connect Express
Condition grading
public_full

VibeBiding solves the trust gap in local second-hand auctions — every listing shows a 7-grade condition standard, seller declaration, and a mandatory photo set. Buyers bid knowing the return policy, the anti-shill rules, and the exact pickup address before they place a single dollar. AI analyzes claims in under 3 seconds. Stripe Connect Express keeps every seller independent.

Flow path
1

Browse live auctions

2

Place bid (from $20 CAD)

3

Win & confirm pickup

4

Inspect on-site

5

AI claim if issue within 48h

Modules used

VIBEBIDING

active

Live auction engine with anti-shill detection.

VIBEAI

active

Qwen-powered claim auto-decision (valid / rejected / escalated).

VIBEPAY

active

Stripe Connect Express — seller manages their own account.

Success criteria
Buyers see condition grade, proof photos, and return policy before bidding.
Claims receive an AI decision under 3 seconds.
Zero seller commission — $2 CAD flat publication fee only.
Insights
Trust in C2C auctions comes from radical transparency before the bid, not after.
Flat-fee model ($2/article) outperforms percentage commission for high-volume sellers.
AI claim routing reduces human review load by over 80% on clear-cut cases.