I have owned this Casita for 3 years and have done the following: Installed high lift axle with new tires, 15" rims spun balanced; Also installed new brake drums and new wheel bearings: Perfect Casita Universal over the tank utility platform; vinyl plank floor. This unit has refrigerator; A/C unit; microwave; Samsung 19' TV with Song DVD player: Wineguard Sensar Antenna; cable ready port; fully operational water heater.. All systems fully operational and in good working order. The trailer is licensed as a California Perm Trailer thus no yearly RV license fee.