Many people think it’s a good idea to leave the key in the front door lock overnight, but no one thinks about that!

may slow down intervention in emergency situations

In fact, one of the most unpleasant problems can happen precisely because of this: you can very easily lock yourself out of your own home. The situation is even more unpleasant if this happens on weekends or holidays, when locksmiths or emergency services are less available and getting in can be a serious problem.