I wish I had this problem. The only proselytizers I've ever had to deal with ambushed me after a fishing trip, walking back to my car. We got to talking about the old testament. That worked for me; they really knew nothing about it, only carried the new. They couldn't address any of my questions, so eventually had to move on.

I would always prove I know more about their religion than they do. Then convert them away from their fantasies, into reality. They don't come to my door anymore.

Ha, an old girlfriend of mine answered the door naked and invited them in.

I just say I'm not interested, and close the door in their faces.

They stopped coming around my way after stopping by and being invited in to blaring black metal, not satanic (too gimmicky), but nature oriented lyrics. I was told that I was a heathen and I was going to hell.

Meh.

LOL. That might work, but I wouldn't do it to the letter carrier.

Keep your front door locked. If you do not know who it is, do not open the door. If it's my mother, do not open the door. I keep a baseball bat right where the hinges are.

My most successful strategy involved answering the door shirtless brushing my teeth. There was about six inches of snow on the ground and I just stood there blocking the door brushing my teeth until the guy just left after a minute or two. He never came back.

depends a bit on your objective. do you want them to stay away, do you want to make unbelievers of them, do you want to waste their time so they aren't pestering someone else?

Back in the day, I was over a friend's when 2 JWs knocked on the door. He answered, and they introduced themselves. He invited them to tell him their whole spiel. I gave him this "wtf are you doing?" look, and he gave me the "don't worry, this will be good" look.
At the end, they offered him a watchtower, for a small donation. He gave them like a buck, and took it. At which point, he asked them "this is mine? I can keep this?" And they replied of course. He proceeded to reach into his pocket, pull out a bic lighter, and burn it in front of them.
They never came back. Lol

I tell them I'm an atheist. When they ask why? I say that no gods were ever real.
That's usually enough to do it.

All you need to be polite and say "oh sorry, I was excommunicated last year". Not only will they go away, your house will be blacklisted as they can't be seen with such heathens!

All you need to be polite and say "oh sorry, I was excommunicated last year". Not only will they go away, your house will be blacklisted as they can't be seen with such heathens!

All you need to be polite and say "oh sorry, I was excommunicated last year". Not only will they go away, your house will be blacklisted as they can't be seen with such heathens!

We had an old man called Jim who used to come to our house probably twice a month, my Dad invited him in and he'd have a cup of tea and tell a couple of jokes and chat about some general topical theme, then he would find a passage in his bible and try to apply it and we'd maybe disagree or maybe politely listen, but we understood that he felt it was his purpose to teach us but otherwise he was just a nice old chap who came for a chat and a cuppa. He knew we didn't believe and didn't push it, and we knew what he believed was bollocks but we didn't push that either.
I think the best thing to do is realise most people are just trying to do good in their own way and be respectful, if they're a dick then you don't have to talk to them again do you?

Once I yelled over my shoulder "is the chicken sacrifice ready yet?" They left right away.

I had a friend that pretty much did this. THey would still stay until he just shut the door in their faces