Key facts: Rhode Island requires a 30-day waiting period after will admission before filing a contest; the $50,000 estate value threshold triggers enhanced procedural requirements; contestants must demonstrate standing as interested parties with direct financial interest; valid grounds include lack of testamentary capacity, undue influence, fraud, duress, and improper execution; the burden of proof rests with the contestant; and all challenges must be filed in the appropriate Rhode Island Probate Court jurisdiction.