Marketplaces are notoriously difficult to launch and face common challenges that can stunt growth.Addressing the cold start problem by prioritizing supply through vertical SaaS solutions and building a waiting list with perks.Maintaining a balanced marketplace by implementing robust analytics and tracking key metrics.Preventing platform leakage by providing enough value to keep transactions on the platform through loyalty programs and buyer protections.Establishing trust in transactions and quality of supply as a unique competitive advantage.Choosing the right monetization strategy through experimentation and flexibility.