Key facts: Standing requires being an interested person with pecuniary or beneficial interest in the estate; 30-day statutory waiting period applies from will probate admission; Estate value threshold of $50,000 determines formal versus informal probate proceedings; Statute of limitations and procedural deadlines are strictly enforced; Available grounds for contest include lack of testamentary capacity, undue influence, fraud, duress, and improper execution; Successful contest results in distribution under Wisconsin intestacy statutes.