PetSmart has some great discounts on cat trees. Lots are priced at 30% off! Plus, through November 11th, you’ll get an instant $10 savings on orders over $60 or $20 off $100. This Petpals cat tree, for instance, has been reduced to $69.99 from $99.99 and the code drops it even further to $59.99. Since orders over $49 ship free, you’ll get free shipping as well. No code is needed; you’ll get savings automatically at checkout.