It's a lot they charge for Shipping.
Many websites, ship at a flat rate for everything you order.
I think Loft charges $8.95 for everything you order. You can order one top, or 10 and it's still $8.95 and then Shipping is free over $125, if I recall. (not a great deal if you're ordering only one top, but not that much more expensive than what Q charges to ship a top, which is now around $6-8 a top or sweater, depending on weight I guess).
Most clothing websites have free S&H deals like this. Nordstrom ships for free, any amount, any time.
QVC is making a LOT of money from shipping, and they don't even give cart discounts for items on the same day like HSN does.
It's very expensive, when you add it all up.
I also think that because QVC ships so much with the post office and UPS, they cut a deal with them and get a shipping discount. So it doesn't cost them as much to ship something as it does the general public.