Edit feature dissapears after a day or so. It's a good idea when you think about it.
Um, ok, I suppose there are benefits (which are not obvious to me just now, to be honest.) But for classifieds, it's just plain inconvenient and awkward compared to other forums.
One thing that should come to mind is that once the topic has been active for a day or two...descriptions have been posted...replies have been made...and conditions have been stated..the information is set in stone for all to see.
The posters can not go back and "convieniently doctor" replies, offers, counter offers, ect.