What can we do with an unwanted swimming pool?

We’re worried it will turn it into a money pit and wonder if there’s something green we can doEvery week a Guardian Money reader submits a question, and it’s up to you to help him or her out – a selection of the best answers will appear in next Saturday’s paper.We have fallen in love with a house that is perfect for us in every respect bar one – it has a swimming pool. We have never wanted one, and fear it will turn into a money pit. Short of paying to fill it