This document discusses how to double revenue from Airbnb listings by listing on multiple booking channels. It notes that existing channel manager services are expensive, difficult to set up, and don't allow real-time synchronization across all channels. The founder researched this problem and co-founded Syncbnb to build an affordable, easy to use channel manager that integrates listings in real-time across all major booking platforms. The document outlines Syncbnb's founding timeline from inception to an ongoing pre-seed funding round and growing beta user base.