Customer Acquisition Cost (CAC) is a business metric that calculates the total expense of acquiring a new guest booking, including OTA commissions, advertising spend, marketing costs, and the operational effort involved in converting an inquiry into a confirmed reservation. Understanding CAC helps property managers evaluate the profitability of each booking channel and allocate marketing budgets more effectively. For example, a booking through Airbnb may carry a 3% host commission plus guest service fees, while a direct booking acquired through paid advertising might cost significantly less per reservation. Lowering CAC through direct booking strategies, repeat guest programs, and referral incentives is one of the most effective ways to improve profit margins. Hostaway supports CAC reduction by providing a direct booking engine, guest CRM tools, and multi-channel analytics that reveal the true cost of each acquisition source.
Why this matters for property managers
Customer acquisition cost is the number that tells you whether growth is actually profitable, since a booking that costs more to win than it nets is a loss dressed up as revenue. Comparing it across channels exposes where commissions, ads, and effort are quietly overpaying for guests you could reach more cheaply, and it makes the case for investing in direct bookings and repeat guests whose acquisition cost falls with every stay. Weighed against guest lifetime value, it separates channels worth scaling from ones worth cutting.
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