I always tell people that the best thing I’ve ever tested for my job here on the WIRED Reviews team is my automatic litter box from Litter-Robot. I recommend every cat owner invest in an automatic litter box. If they can swing it, the Litter-Robot is the best one to invest in. You’ll be able to say goodbye to the days of scooping and smells while this nifty machine does the grunt work for you. Litter-Robot is the OG automatic litter box , and the name itself has become synonymous with the concept. And that’s not by accident, as the brand makes incredibly well-made, ergonomic products to help the lives of pet parents everywhere. Along with their famous automatic litter boxes , they also make a super sleek automatic pet feeder that I’ve also tested (and loved). These gadgets are an investment, and can be pricey, but we here at WIRED love the brand so much that we’ve rounded up some of the best Litter-Robot promo codes, coupons, and deals to make these life-changing pet machines more affordable.…