Key facts: New Hampshire probate court must approve all property transfers from an estate; fair market value appraisal is required before any buyout can proceed; estates exceeding $50,000 generally require formal probate administration; a 30-day waiting period applies before finalizing buyout arrangements; all co-heirs must provide written consent to the transaction; the purchasing sibling must secure financing or demonstrate adequate funds; proper deed execution and recording in the county registry is required; and independent legal counsel is strongly recommended for all parties.