Roald Dahl's 'The Landlady'

In Roald Dahl’s chilling tale, “The Landlady,” he uses the landlady’s character to teach the reader that when something seems to too good to be true, it probably is. For example when Billy tells himself “ The old girl is slightly dotty”.This evidence proves that while the room was indeed cheap there was certainly some baggage connected to it. This women is always acting odd which suddenly makes the apparent cheapness have good reason. In addition no one else stayed at this bed and breakfast further putting into question the seemingly good deal. Furthermore when looking at Billy’s conversation with the landlady where they say “ Excuse my asking, but haven't there any other guests here except them in the last two or three years? … No, my dear,