The cost of a real Christmas tree can vary widely depending on several factors such as the type of tree, its size, and its location. On average, a small to medium-sized real Christmas tree can cost anywhere from $20 to $80. However, larger trees can cost upwards of $200 or more. Additionally, some specialty trees, such as Douglas fir or Colorado blue spruce, can be even more expensive. Ultimately, the cost of a real Christmas tree will depend on your specific needs and preferences.