In my opinion, one major advantage of having a pet is that they can replace people and become one of our nearest and dearest. For instance, if someone lives alone he would find it very enjoyable of having a pet. Furthermore, presence of an animal at home may provide greater feeling of security (especially when this pet is a dog). In addition to this, pets often play the main role in both, the handicapped and disabled people’s lives.
Nevertheless, keeping a pet involves lots of responsibilities. Firstly, there are some extra costs which appear along with animals.