Whether you are selling your home by yourself or using an agent to do it, you must disclose specific issues. Failure to which can lead to a lawsuit, and you might be found guilty of violating laws.
Problems with the property, whether current or past, must be disclosed. Do not just tell them, also show them so that they can evaluate the problem. If there was a repair done recently or in the past, also show them how it was done so they can assess to what standard it was done.
If your home was built before 1978, you have to notify the buyer of lead paint on the property. This is a federal law, and, in some states, there are other issues in the law that you must disclose to the buyer. Ensure you know the laws and what they require of the seller regarding providing the buyer with information regarding the property.
Share more about the home's location. Some areas are considered hazard zones. Such areas are prone to disasters such as flooding and earthquakes. Mention anything that would cause harm to the buyer or cause damage to the house but in a friendly way. If the home has checkered in the past because of this, don't leave it out.
Notify the buyer if there has been insect or rodent infestation in the home and how it was handled. If there is a guarantee that there won't be such an incident again, tell them why then provide a reason for assurance. Nobody would want termites and rats in their home.
Plumbing, roofing, and foundations problems are never a cheap fix. Most buyers ask for such information even before you disclose it to them. Don't leave any minor detail behind if these were recently repaired. Explain how the repair was done and if there are any threats of damages re-occurring in the future.
How is the neighborhood? Suppose the neighborhood is noisy, insecure or you have major crime offenders living near you. In that case, you have to disclose such information. In some states, you must do so, but you must reveal it regardless of whether it's in the law or not.
If the home has ever been a crime scene, you have to notify the buyer regardless of the degree of the crime. This prepared them if the police show up and want to investigate more.
If you had recently been notified that a road expansion would affect your property, notify possible buyers of this.
It might affect the buyer's price or influence their decision to buy, but you cannot withhold such information.