Fear of the future sells insurance. Because we can't predict the future, we want to be ready to cover our financial needs if, or when, something bad happens. Insurance companies understand this fear and offer a variety of insurance policies designed to protect us from a host of calamities that range from disability to disease and everything in between. While none of us wants anything bad to happen, many of the potential catastrophes that happen in our lives are not worth insuring against. In this article, we'll take you through 15 policies that you're probably better off without. More from Investopedia.com:• Extended Warranties: Should You Take The Bait? • 9 Ways To Trim The Fat From Your Spending • 10 Insurance Tips For Homeowners 1. Private Mortgage Insurance The infamous private...