Collars, leashes, crate, toys, training classes, city license (if applicable), grooming supplies (brushes, nail clippers, toothpaste, shampoo), first aid kit, enzyme cleaner for those potty accidents, baby gates and/or an X-pen, more toys, chews, treats, pooper scooper, bucket, fencing for the backyard, pet insurance. I'm sure I've missed a few things.....