Can an incompetent person repeatedly change their will?

Yes, an incompetent person can attempt to change their will, but such changes may be deemed invalid if the individual lacks the legal capacity to understand the nature and consequences of their actions at the time of the change. Legal capacity typically requires that a person comprehends the extent of their assets, the identity of their beneficiaries, and the implications of the will's provisions. If challenged, a court may assess the person's competency at the time the will was modified to determine its validity.