Most of the people that live alone feel lonely at times and therefore they want company. Often parents also hear these phrases from their children Mommy please can we get a pet? so clear your queries what animal suits you best as a pet. Having a pet comes up with huge responsibilities like pet care, food, vet checkups, toys, treats, grooming, cleaning, etc, and many more. Therefore, analyze first if you can afford a pet or not both mentally and financially. Here are a few pets that you can have as pets:

Hermit crabs
Small lizard
Small bird
Gerbil, Hamster or Mouse
Guinea pig
Rat
Betta fish
Older dog or cats
Ants
Smaller snakes

https://www.petspyjamas.com/blog/getty-top-13-low-maintenance-pets-kids/