Maybe ask yourself why you want that pool.
I just read a wonderful few lines in a marketing book. It explains why many people have a pool in the garden (and rarely use it).
According to the book most people would feel ridiculous walking around with a bikini and bathing trunks in their garden. But if they have a pool in the garden, then they have a good excuse to do that.
Sorry, I know it doesn't help you, but I just came to my mind, and I laughed when I read it.