10. Cat litter
Now would be a good time to recall our story about the necessities, though this is not necessarily the best and most appealing way to start any list. Nevertheless, cats are the second runner-ups when it comes to pets in America. Presumably most cats are potty trained are we are so grateful for it. Unfortunately, cats don’t appreciate the difference between a flower pot and a litter box, but humans went way beyond that and invented all sorts. There is a huge number of such products in the market, but Amazon says that Precious Cat Ultra Premium Clumping Cat Litter is most wanted. Doctors Foster and Smith also offer great advice should you wish to dig deeper into the topic.