There is a back end function where you can slow down a users account so it feels like their Internet is slow when they come on the forum which would frustrate and cause somebody to leave. Do you deny this exists and that this monument to passive/aggressive behavior has been used?
Sold a pistol on Armslist last week. Kid lived around the corner from me. I've never had an issue on there. I've bought and sold. I've even sold to people out of state.
You will get a lot of people that will contact you once that you'll never hear from again. No biggie, it's just an email.