Upon check-in, we were sent to an incorrect room that was occupied. No one was there, however all their belongings were. We called the hotel right after, but they put us on hold for about 5 minutes and then hung up on us. We went back down to the lobby and they booked us a new room, giving both my friend and I keycards. When we got to our new room, only one of the keycards worked. We were annoyed but didn't want to bother going back down to the lobby and getting it sorted out as we were exhausted from the trip.
Throughout the entire stay, my friend and I were worried about leaving any valuables in the room just in case the same mistake happens to another person and steals our stuff.