Key facts: Standing as an interested party is required to file a will contest in Tennessee; grounds for contest include testamentary incapacity, undue influence, fraud, forgery, or improper execution; a thirty-day waiting period applies after probate filing before contests may proceed; estates exceeding fifty thousand dollars require formal probate administration with heightened procedural requirements; the contestant bears the burden of proving grounds by clear and convincing evidence; Tennessee courts may order mediation as an alternative to litigation.