Keep me logged in until I sign out. Therefore, before you die add her name to any credit cards currently held in your name only. After you die, your widow should notify credit card companies of your death, and change all cards held in your joint names to her name alone.
Insurance policies demand special attention.
They may need to buy more insurance, or to reduce the amount of life insurance needed now that you're gone. They will need to change beneficiaries of their policies if you were one of the beneficiaries. Getting Personal with Personal Property Families can fight over things as trivial as a favorite lamp or wedding dress, as well as valuable antiques or jewelry. You might also need to think about what will happen to personal or business items that will outlive you. Few of us will reach the exalted status of these men.