Walmart has the Stanley FatMax 140W Power Inverter for $15 with free in-store pickup or $5.99 shipping to home. List price: $25. Allows you to power and charge cell phones, laptops, DVD players, gaming devices and more.
Amazon has the AmazonBasics Seat Cover for Pets for $17 with free shipping on $25+ or with Prime. Made of 100% polyester, designed with two pockets to conveniently store grooming supplies, leashes, toys, protects the back seat from scratches, dirt, dander, and spills.