How marketplaces win: Liquidity, growth levers, quality, more | Benjamin Lauzier (Lyft, Thumbtack)
Its hardest side was demand, and it jumpstarted supply by posting jobs on Craigslist to pull contractors in. A smoke machine filter for wedding DJs cut out 95% of supply, and direct bookings raised pro ROI about 20% yet pros disliked losing the thrill of the sale.
Tips
- Before product-market fit, ignore marketplace theory and fix one side▶ 8:40Thumbtack posted jobs on Craigslist behind the scenes and pulled the contractors browsing there onto its platform.
- Start with the hardest side of the marketplace▶ 10:29Lauzier says supply is the hardest side maybe 80% to 90% of the time; Rover and TaskRabbit are counterexamples with easy supply.
- Use soft filters that affect ranking instead of hard filters▶ 30:50Only 5% of Thumbtack DJs had a smoke machine, so the filter carved out 95% of supply.
- Coach supply with guardrails first, then add hands-on control for gaps▶ 39:39Thumbtack's move from selling leads to direct bookings promised about 20% better ROI for pros, yet pros hated it because they liked the thrill of the sale.
- Check fragmentation, uniform needs and matching friction before building a marketplace▶ 24:54






