Pools vary in size, type, and style. The minimum would start around $20,000, and go up from there. Your best bet is call in a few companies, and see what you can get for the money. Some will include concrete, water falls, landscaping, etc. Some are very basic, and you can do the rest. If you have friends that have pools, you should see what features you like about them and then ask the price on adding that special feature. Self cleaning? pebble tec? solar? water falls? these are all great features but add to the price.