Your cat ignores the $80 cat tree in the corner and spends half the day in the Amazon box it came in. Here’s what your cat knows that you don’t: cardboard isn’t just a box. It’s a cave, a scratching post, a territory marker, and a vertical playground all rolled into one. It smells neutral, … Continue reading Those Cardboard Boxes Your Cat Loves? Here’s How to Turn Them Into a DIY Cat Castle