Many of us have term policies to insure a specific period; for instance until the kids graduate college or until the house is paid for. Typically we let the polices lapse when we no longer need them.
According to Mark Skousen (Forecasts and Strategies- highly recomended!), these policies have value that you can realize rather than just letting them lapse. In his example a 73 year old man had a $3,000,000 term policy. Rather than let it expire he had a top Wall Street Bank pay $400,000 for his policy.
This will likely only work for people well over 65, but it is a secret well worth knowing.