Many people believe that they don't have enough assets to warrant an estate plan. They believe that estate planning is only about saving estate taxes. However, even the most modest estate (the assets you own at your death that are distributable to others) needs your direction. Do you really want anyone, even that overbearing mom/sister/child that hasn't spoken to you for months, to be the person in charge of distributing your assets or raising your children? It could happen without the right planning.
Benefits to making your own plan: