Unfriending Etiquette
I usually wait for at least 1 week of inactivity... if its someone from the forum I usually wait longer...
Forum Discussion
It depends on how good of a neighbor they've been. I just deleted a neighbor I'd had since Whacking Day, but it took me nearly 3 months before giving up on them. Others I've deleted after a week or two, if they are below Level 40 and not looking like they're progressing.
