An in-ground swimming pool can be a beautiful addition to any backyard. If youre considering having a swimming pool installed you should know about all the expenses that can occur with pool installations before making an investment in a pool project. In this document we have taken a cost averaging methodology to give you an idea of the expenses that can occur with a pool project. The total cost of a in-ground pool can vary from state to state and each pool company will have different installation costs. This post is to be used as a generic guide for understanding the costs involved with a pool install.