Purchasing replacement windows for your home is the largest monetary output you will make after buying your home and car, so it's not something to be taken lightly. While homeowners often buy multiple cars and sometimes several homes during a lifetime, purchasing windows may occur only once or twice. Because this is a purchase that's going to stay with you for years to come, it's important to do your homework on what you'll be up against. Look at Samples Before You Buy Visiting a big box home improvement store, such as...