Hey Bill,
Pyramydair of course has that "get the 4th tin free" policy, which helps defray the shipping cost. If you combine your purchase with a 10% off coupon it's even better. Midsouth has great pellet prices at times, I mean really good, which again cuts off some of the shipping. Only other thing I can think of is that DNR Sports, while they don't have a huge selection, does have a good selection and for some reason they're shipping charges always seem to be much lower than other sites when I order stuff from them. They are also a real pleasure to deal with. Hope this helps.
By the way,,,, as soon as it stops raining here I'll get to chrony'ing the 890 and get back to you with the #s.
Jeff