I wouldn't say never post potential purchases. It happens all the time, especially to get authenticity opinions, and that's an important part of what the community provides.
The offer I submitted was essentially face value for the coins, and I was pretty sure it would be declined. Earle42 obviously didn't even see this topic before buying them, so I don't see any ill intent there.
I'm sure many of us are frequently, if not obsessively, scanning eBay for deals.
Tantum religio potuit suadere malorum.
"Just because you're paranoid don't mean they're not after you."
My Want List: http://goccf.com/t/282022