The price of a live Christmas tree can vary depending on the size and variety of tree, as well as the location and season. Generally, smaller trees are less expensive than larger ones, and certain species such as Douglas firs and blue spruce tend to be more expensive than others. During the holiday season, prices can be higher due to the high demand for Christmas trees. However, some retailers offer discounts or sales to make them more affordable for customers. It's best to shop around and compare prices to find the best deal.