Hey Gene,
Before I purchased the ones I have I did quite a bit of searching for the best price, and for who actually had them in stock, and the price was basically the same on every site I went to. I guess there must be a site where they are much cheaper, but I just couldn't find it. I'm thinking that since Pyramydair gives you the 4th tin free when you order that would definately serve to reduce the actual cost per tin, especially if you order 4 tins f each caliber (which is what I may do next time I see that Pyramydair has both .177 and .22 in stock. If you can apply a coupon with the purchase then your even further ahead of the game.
Jeff