So, you really do get what you paid for!

For some, this includes crafting DIY-wills, relying upon generic documents acquired from the Internet or purchasing books with forms. Unfortunately, this approach can have serious negative repercussions.
The biggest problem with a self-created will is that the creator will not understand any potential problems until it is too late to make any changes and remedy these issues. The plans for asset distribution outlined in a will only take effect upon the death of the person creating the will, at which point that person is clearly unable to clarify any ambiguities or uncertainties

Press Release – Do-It-Yourself Wills Leave Families Unprotected