Upstate RV Center is highly recommended for their knowledgeable and friendly service. Customers praise the quality of their repair work and the solid condition of their campers, such as the Keystone Cougar. The staff is described as honest, courteous, and always willing to help with any questions. Many appreciate their support during the purchasing process and financing. Overall, Upstate RV Center stands behind their products, ensuring that customers have an enjoyable experience with their campers.