Three weeks ago in this column, I spoke about a saleslady who knocked on my door and offered me a FREE fire alarm system to which I flatly refused, saying to her, “There’s no such thing as a free lunch”. I still remember vividly her parting remarks – “Good luck to you!” – which I [...]

“There’s no such thing as a free lunch,” I told a saleslady who came knocking at my door late last evening.

But she was adamant that that was what she was offering – a free security alarm system for my flat. And all I needed to do was stick her company’s sticker on the front gate [...]