...Why Are Sellers Using Surveillance? The most common reason sellers gave for using cameras was for protection (61 percent ) as many sellers acknowledged using cameras to keep tabs on potential buyers as they walked through their homes. According to the survey, 64 percent of recent buyers say they’re concerned about sellers watching, listening to or recording them during home tours. That is not only a violation of the real estate ethics code, but it also becomes a possible wiretapping case." Real estate professionals often recommend that sellers disclose surveillance devices and that buyers assume any conversation inside a home could potentially be overheard.