The key difference between a 3- and 4-star hotel in Phu Sing will be the quality of service and availability of creature comforts. 3-star hotels are generally more affordable and offer the services and amenities required to be comfy, such as a gym, WiFi and breakfast. You can look forward to a little bit more at a 4-star hotel — think upmarket décor, luxury bathroom products and extra touches like on-site spa centres.