Six new tires purchased in May 2019.  Have only 5,000 miles on them.  Four slides.  Full size, residential refrigerator.  No smoking, no pets.  Bath and a half.  Washer and dryer.  Navigation system.  Four televisions.  Three air conditioners.  TPMS tire pressure and temperature monitoring system.  Blue Ox towbar included.  Cummins engine; Freightliner chassis. 46,800 mileage.