Get up to 40% off cat scratchers, trees, and perches at Petco.com. Plus shipping is free on orders over $49, which applies to many scratchers in this sale. For example, this Midwest Tower Cat Tree drops from $159.99 to $82.99 shipped. The cradle includes scratching posts and platforms for your cat to nap on. Also available is this 6-Level Animaze Cat Tree, which drops from $129.99 to $69.99. There are dozens of cat scratchers to choose from. Standard shipping starts at $5.99. Sales tax is charged in most states.