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