🤝
Validate Your Marketplace Startup Idea — Free
Real complaints, AI scoring, and a build plan — all free, all in one place.
Every marketplace dies of the cold-start problem. Sellers don't show up without buyers, buyers don't show up without sellers, and you need to bootstrap one side manually for 6–18 months. Most founders give up at month 4.
Liquidity beats UX in marketplaces. A clunky site with 1,000 active listings beats a beautiful site with 50. Validate by getting 30 transactions through a Google Sheet before you build the platform.
Take rates are the trap. If you charge 5%, you starve. If you charge 20%, your supply side leaves for a direct relationship. The sustainable marketplaces charge 10–15% AND make the off-platform option worse, not just more expensive.
FAQ
How do I solve cold start?
Pick a tiny geography or vertical and dominate it. National marketplaces start in one city.
Single-sided vs two-sided launch?
Always recruit supply first, manually. Demand follows when there's something to demand.
What's a healthy GMV-to-revenue ratio?
Marketplaces typically convert 5–15% of GMV to net revenue. Below 5% and you can't fund growth.
When should I add payments and escrow?
After 100 transactions. Before that, you're building infrastructure for a hypothesis.