That price is pretty steep for a neopets item. I don't think the site is popular enough anymore to get that much money for an item. Maybe you should try to sell on one of those game account selling sites instead.
Thanks for your advice.
I've been a seller on the Neopets black-market for over 8 years, trust me, there's still plenty of buyers for black-market Neopets goods, even today. You clearly don't know the going rate for this item on other sites, this is actually a discounted rate as well. I've sold tons and tons of accounts and items worth well over $150

Yes I don't know the going rate for this item on other sites, but I do know that if I can turn a profit on something then I'll buy it instantly. Plus if you've sold on the black market for over 8 years on other sites, why not just sell this over there?