It is wise for trimming of the first 30 to 35 years of a trees life. This formative trimming improves the structure, reduces risk and saves money in the long run. Creating a good structure of young trees to prevent future dangers and responsibilities. The most common problems such as the multiple leaders and crotches is easy to fix in younger trees, but hard to correct in the older trees. In addition, consistent trimming saves money by preventing the destruction of property because of faulty trees, cuts in the cost of large limb removals, and the responsibility of any damage. At the same time increases the life of a tree, which in turn reduces the costs of planting, removal and installation costs.