Mattress By Appointment is a unique business model that aims to save customers money on premium mattress sets. The company offers Queen Size mattress sets starting at $150, with high-end brand name sets marked down from $3000 to just $1000 - a savings of 50-80%. This is achieved by keeping overhead low, avoiding costly advertising and traditional retail stores, and instead focusing on providing personalized service to customers. The business operates by scheduling one-on-one appointments, allowing them to find the right mattress to fit each customer's needs and budget. Customers praise the owner, James, for his exceptional customer service, knowledge, and flexibility, making the experience stress-free compared to traditional furniture stores. Overall, Mattress By Appointment is highly recommended for those seeking a premium mattress at a fraction of the cost.