Fifth-wheel trailers are similar to larger travel trailers, but they have an extension on the front of the box that extends over the tow vehicle and a horizontal plate that looks like a wheel (hence the name "fifth wheel"). They can sleep up to eight people depending on the model and the floor plan. Prices range from $3,000 to $150,000.

Class A motorhomes are generally the top dogs of the RV world. Units range in weight from 15,000 to 30,000 pounds and stretch from 30 to 40 feet in length. Class A units come with almost every creature comfort you would expect in a home, minus the front lawn. They can sleep up to eight people, depending on the model and the floor plan. Even low-priced models often top $100,000, and the upper end of the price range approaches $2,000,000.

Travel trailers come in a variety of sizes, ranging from a small bedroom on wheels without an engine or transmission. Travel trailers may be as small as 10-feet long or as big as 35-feet long. They can sleep up to eight people depending on the model and floor plan. Prices range from $3,000 to $100,000.

Class C motorhomes, sometimes referred to as mini-motorhomes, are scaled-down versions of Class A motorhomes. They range in weight from 10,000 to 12,000 pounds and stretch from 20 feet to 31 feet in length.  The driver compartment is similar to a van, with a large box in the back. Class C motorhomes usually come with a sleeping bunk above the cab, in addition to a bedroom in the rear of the unit. . Prices range from $10,000 to around $150,000.

Class B motorhomes, also commonly known as van conversions, are the smallest fully enclosed motorhomes. Class B motorhomes can sleep from two to four people depending on the model. Prices range from $10,000 to above $100,000.