A few items you ought to bring with you include a flashlight, air gauge, lug wrench, and a voltmeter. You can find both hands and clothes dirty, so consider bringing some coveralls, paper towels, and wet wipes. Before entering, check the tires, and rims for dents, cracks, excessive wear, and signs of misalignment. Utilize the air gauge to ensure proper inflation of the tires. Looking down the length of the camper from the back end and front is likely to make it possible for you to see if the sides bow out at all. Should they do, this can mean water damage has occurred. Just how do the vents covers look? Do they show any signs of leaks or repairs? While looking underneath the RV can you see any signs of fluid drips? Could you see proof of problems underneath, like rock or other injury to the chassis? Does it feature a spare tire, hitch, and jack? Inside you need to check the vents, and windows for water damage, or leaks. Make certain the fridge, stove/oven, water heater, electric pump, converter, heater, thermostat, and any air-con works properly. After camper usati them, do you find any signs of a propane leak, like a scent? Do all of the lights and accessories work? Do the sinks, toilet, and shower work and drain, as they should? As you enter, and leave, make sure the entranceway opens, closes, and locks with out a problem. Check any mattresses for wear, or water damage. Are there holding tanks? If so just how do they look? Enquire about the owner's manual, and any records on the maintenance of the vehicle. Whether you read the used vehicle by yourself, or bring someone with you, the aforementioned list should assist you to find a very good deal possible. Owner should willingly enable you to inspect the camper, and if not, consider moving on.