There is something to the possibility of the old owners coming in, especially if you haven't changed the back door locks. A friend of mine was home alone in her basement, when she heard someone upstairs. She had her cell on her, so she called the police. She stayed on the line with them, and then she heard the police upstairs calling her to come up. The person that broke in was the old woman that used to live there. She had Alzheimers and just went back to her old home and started moving things around.
Wasn't there a posting here recently where there was actually some homeless guy living in the house while they were gone, and they knew it because they found their bag with notebooks and stuff in it? Creepy.
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-Elle-
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