When it comes to easy pets, it's hard to beat cats. You can go away for a weekend and just leave out food and water for them. They're not messy - need they are fastidious and will look at you in dismay if you neglect to regularly clean their litter boxes.
While they're definitely low maintenance, as you can see, you will need a few cat toys and supplies. Stock up or get replacement items here for your feline family member here.