Turtles

1. Tortoises: Tortoises are relatively inexpensive pets, and they need simple water and food. Turtles have a long life span and can stay with you for a long time.

Rats

2. Hamsters: Hamsters are small pets, they need less space and relatively cheap food. Hamsters are lively and cute, making them suitable as pets.

Birds

3. Birds: Birds such as Mandarin birds and parrots are relatively cheap pets. They need to be provided with proper food and water and a secure cage. Birds can learn to talk and give you pleasure.

Goldfish

4. Fish: Keeping fish is a low-cost pet option. All that is required is the provision of an appropriately sized fish tank and regular water changes. Ornamental fish come in a variety of colors and shapes and can add to the beauty of your home.

Snakes

5. Snakes: Snakes are unique pet options that don't require much space or food. Snakes are relatively quiet and suitable for people who like unique pets.

Snails

6. Snails: Snails are low-cost pets that need a proper habitat and the right amount of food. Snails are fun to watch as they slowly crawl.

Geckos

7. Geckos: Geckos are low-cost pets that don't need much space or food. Geckos can help control pests and are ideal indoor pets.

Please note that whichever pet you choose, you need to provide the right environment and food and ensure their health and well-being.