I've noticed on eBay that some sellers will price their items in different ways, to see which way gets the best result.

Sometimes its a low price, but the shipping is jacked up, sometimes its a higheer price with free shipping.... but the price ends up being the same.

I think some sellers have caught on to the fact that many people don't pay attention to shipping costs, and so it is an area that's wide open for overcharging.

And it COULD even be a typo. If it's on eBay, you could email them and ask why the shipping is so much. I've seen several scams in which the vendor routinely overcharges, and if the customer doesn't complain... hey! More money! If the customer DOES complain, they just say "Oh, that's a typo" or "Sorry, I made a mistake when I counted out your change"