The cost of a travel trailer can vary widely depending on its size, brand, and features. Entry-level travel trailers start at around $10,000, while luxury models can cost $150,000 or more. In addition to the initial purchase price, travelers should also consider the cost of insurance, maintenance, and campground fees when budgeting for a travel trailer. Regular maintenance, such as checking the tires, brakes, and electrical systems, is essential to ensure the safety and longevity of your travel trailer.