Pools are a great addition to any home. They bring the family together, offer a great way to exercise, and bring your backyard to life. However, you'll need to replace parts of your pool to ensure you fully enjoy it. One part of your pool that you'll eventually have to replace is the swimming pool liner. The swimming pool liner cost isn't astronomical, but there are ways you can keep it down. With some maintenance, the swimming pool liner cost isn't something you'll have to worry about every year. Here are four maintenance tips to prevent damage to your pool and its liner.