I have grown up looking after 2 family dogs (a German shepard cross sheep dog, and a jack russell). I would take the family pets for walks daily, give them a bath weekly and help feed their meals.
More recently over the last 4 years, I have been pet sitting for a couple cats. I make sure to not only change their water, provide them food, clean their cat litter daily, I also provide them interaction.
Also, I enjoy taking dogs for walks, as we can both exercise and enjoy the outdoors....