Find the source of each answer
Identify who has current condition information, who can discuss belongings, and which professional is handling estate questions. Keep the roles distinct. A family point of contact can organize communication without claiming authority they have not been given.
Keep preferences separate from permissions
The family may prefer to sell, but the authority and approvals required for the property still need confirmation. Take those questions to the estate attorney or appropriate probate office. A buyer's proposed price should not be treated as proof that the sale can proceed.
Use a shared list of unresolved items
Access, keepsakes, occupancy, and ongoing care may each need a different answer. Record the open items before proposing a handover date. This prevents one person's understanding from becoming an unintended promise on everybody's behalf.
Present the current state without completing every task
You can describe a house with belongings and incomplete records. Explain what is uncertain. Any purchase proposal should be evaluated against that reality and the confirmed requirements, rather than a hoped-for finished arrangement.