Key facts: Wisconsin requires formal property appraisal for estates exceeding $50,000 in total value; a mandatory 30-day waiting period must elapse after probate opening before appraisals can be finalized; appraisals must reflect fair market value as of the date of the decedent's death; qualified appraisers must be used for real property and specialized assets; appraisal results establish the tax basis step-up for inherited property; appraisal reports become part of permanent estate records subject to court review.