Basically, buying used RV means you’ll spend less money potentially thousands of dollars less on a vehicle that may just be more road-ready. And besides, you can always upgrade your rig to match with the latest trends. No matter who you buy from, you can help ensure the price of the used RV is right by doing your research. The first, and most important, thing is to thoroughly check the RV for water damage, which is a sure sign that the RV doesn’t have much time left.If you're unsure which camper is right for you, consider renting one first.