1. Private message reminder: If there are owners who frequently publish information about selling houses, you can remind them by private message first. Remind them that the main purpose of the owner group is to facilitate communication and reflect problems between owners, not to publish advertisements or sales information.
2. Make rules: If the private message reminder is invalid, you can negotiate with the owners or administrators of the owner group to make some rules. These rules may include restricting the publication of sales information or advertisements within the owner group, or requiring the owners who publish sales information to pay a certain fee.
3. Reporting: If the owner's behavior violates the rules of the owners' group, you can report it to the property management company or relevant departments. This can help the property company or relevant departments to better manage the owners and ensure the order and safety of the owners.
4. Quit the owner group: If the above methods fail to solve the problem, you can consider quitting the owner group. Although this may bring you some inconvenience, your departure can also create a better communication environment for other owners.