There is no obligation to buy at the end of the trial period. If it's not for you, you can just return everything . For those who have never had chickens before it is a great way to get started as you also get all the information and advice you need.
We started off this way when our children were young, however we soon decided to keep the chickens. Since then we have built our own chook house and pen and have had many different varieties of chickens, all in our suburban back yard.