Number #1: Shipping to the US is $5ish, I'm guessing he just didn't want international orders and stopped it through the most asinine way.
Number #2: I'm betting it's a copy and paste blurb that he didn't fix for lot items.
Number #3: NOKS are just plain ol' expensive. =|
Number #4: What he said!
Ebay users sure are whacky.