Here’s is a good link from Bankrate.com on 14 types of useless insurance to avoid. It’s good information and ties in with the article I wrote recently on auto insurance (and how a saved a bunch of money on my car insurance by switching to GEICO…)
The main moral of the story linked below is that for any event related to your death, you should just buy adequate life insurance (likely term life, which I recommend.) For property, often your car insurance, homeowner’s/rental insurance, or sometimes your credit card will cover you. Often your employer has some types of insurance (life, disability) built into your compensation package gratis; check this out as well.
As a follow-up, here’s a brief introduction to life insurance on ‘Get Rich Slowly’. Again, for 95% of people, I recommend using Term Life if you have dependents (and NO life insurance if you DON’T have dependents.)