I do think it is a shame so many on here suspect every one who knocks on their door does so with nefarious intent, the people who knock on your door trying to set up an appointment for windows or whatever are just trying to earn a living and I find a polite no thank you works very well.
Does Ginger Tea Make You Feel Better When You're Sick?



. And he also had the cheek to say "I was just saying to my colleague I haven't seen a solid door like this (our chosen front door last year) for years". When my OH said we had opted to have it like that he didn't know what to say. 