Target has free shipping on orders over $50.00 and completely free on any amount, if you have a Target charge card. Lots of different choices that they don't have in the store. Here's one.
Boots & Barkley® Large Pop Open Dog Kennel : Target I like to use Target because you can easily return it to the store, if you don't want it. Walmart also has free shipping to the store, and their regular price of shipping to your home is very reasonable.