Beni is an aggregator that makes shopping secondhand easy and accessible. The team focuses on providing a seamless shopping experience and aims to make buying secondhand as convenient as buying new. They believe that resale should be a fundamental part of the market and are working towards a future where people view their purchases as assets. Beni's revenue model is primarily affiliate-based, and they have raised $5 million in funding. The team has faced challenges in data ingestion and AI search but has overcome them to provide relevant results to users. They are also focused on educating users and growing the market for secondhand shopping. In this conversation, Sarah discusses her journey as an entrepreneur in the circular economy and provides advice for those interested in starting a circular-oriented business. She emphasizes the importance of taking risks while also mitigating them and trusting one's gut instincts. Sarah also highlights the need to focus on answering the most critical questions about the business model and product, as well as the riskiest assumptions underlying them. Additionally, Sarah shares her hope for the future of the circular economy, emphasizing the abundance of opportunities for creativity and addressing psychological needs in a sustainable way.