Which pet is the easiest to pick up?

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I want to pick up pets.But I think some pets are difficult to pick up.For example,cats and dogs are just like a child.You should feed food like fish and meat to them.You should clean them regularly.You should manange them all the time.Fish is easy to die,I think.So what about tortoise?Many friends of mine tell me tortoise is easy to raise.They will never go far away from you and not eat too much.It is easy to clean them.What's more,they can live a long time. What do you think of it?