A local RV mechanic or dealership might offer appraisal services, and multiple opinions is the best way to really understand how much your unit is worth. Keep in mind, these appraisals may cost you a couple hundred dollars. Therefore, this method is probably better if you're looking to sell or trade a high-end RV.

National Automobile Dealers' Association (NADA) NADA, or the National Automobile Dealers' Association, provides values for used RVs. They list prices and values for motorhomes, travel trailers, and even truck campers and park models.

Like an appraiser, your local RV dealer might be the best person from whom to get an expert opinion on the worth of your RV. Unlike an appraiser, they won't charge you for their insights. As a bonus, if you decide to trade in or sell right there on the spot, it's the easiest route to take.

Despite their smaller size, however, Class B motorhomes can come with a higher price tag due to the labor-intensive process of converting a van into a livable space. However, for those looking to save money and customize their RV, DIY options are available to build the perfect Class B motorhome to meet your needs.