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Continue to ChatI tell cold callers I'm very interested but a bit deaf, my hearing aid is not working properly and can they speak up. The idea is to deliberately miss-hear what they say, ask them to repeat, only louder, and see how loud I can get them to shout. After a while I say "I'm not really deaf" and was just wasting their time, as they were doing with me. - Sean O'Grady from https://whatsmyquote.com/quote/i-tell-cold-callers-i-m-very-interested-but-a-bit-deaf-my-hearing-aid-is-not-working-properly-and-can-they