What's your opinion on surrogacy?

Surrogacy is a method where a woman implanted with the embryos of a person or couple and give birth to a child for the person/couple who will become the parent/s of the child.People often seek this method when it's medically impossible to become pregnant.Surrogacy often involved legal agreement and sometimes monetary compensation also involved.Surrogacy is a solution for the couples who are not able to become pregnant but now days many celebrities adopt Surrogacy method and become single parent for the child.So guys what do you think about it? Is it a healthy practice?